diff --git a/01-introduction.html b/01-introduction.html
index cd3962ab..4c6f3db6 100644
--- a/01-introduction.html
+++ b/01-introduction.html
@@ -573,7 +573,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/01-introduction.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/02-importing-data.html b/02-importing-data.html
index 19d871b4..863158f3 100644
--- a/02-importing-data.html
+++ b/02-importing-data.html
@@ -543,7 +543,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/02-importing-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-11-16",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/03-working-with-data.html b/03-working-with-data.html
index 6cca69fc..c46e338f 100644
--- a/03-working-with-data.html
+++ b/03-working-with-data.html
@@ -652,7 +652,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/03-working-with-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-02-09",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/04-faceting-and-filtering.html b/04-faceting-and-filtering.html
index 3f573768..aee01866 100644
--- a/04-faceting-and-filtering.html
+++ b/04-faceting-and-filtering.html
@@ -440,7 +440,7 @@ <h3 class="callout-title">Which licences are used for articles in this
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a facet for the ‘Licence’ column</li>
 <li>Sort values by <code>count</code>
@@ -532,7 +532,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>On the <code>DOI</code> column drop down and select
 <code>Facets &gt; Customized facets &gt; Facet by blank</code>
@@ -575,7 +575,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a Text facet on the Language column</li>
 <li>Notice that there is both <code>EN</code> and
@@ -665,7 +665,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/04-faceting-and-filtering.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-11-28",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/05-clustering.html b/05-clustering.html
index 717f0a3a..12d5c19d 100644
--- a/05-clustering.html
+++ b/05-clustering.html
@@ -486,7 +486,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/05-clustering.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-10-25",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/06-working-with-columns.html b/06-working-with-columns.html
index 13bdd295..105f4547 100644
--- a/06-working-with-columns.html
+++ b/06-working-with-columns.html
@@ -470,7 +470,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/06-working-with-columns.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-01-11",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/07-introduction-to-transformations.html b/07-introduction-to-transformations.html
index dc503150..ac0f08a6 100644
--- a/07-introduction-to-transformations.html
+++ b/07-introduction-to-transformations.html
@@ -504,7 +504,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/07-introduction-to-transformations.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/08-writing-transformations.html b/08-writing-transformations.html
index 22f2b15f..ebb25e49 100644
--- a/08-writing-transformations.html
+++ b/08-writing-transformations.html
@@ -492,7 +492,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/08-writing-transformations.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/09-undo-and-redo.html b/09-undo-and-redo.html
index ea21055e..3bc8ee5a 100644
--- a/09-undo-and-redo.html
+++ b/09-undo-and-redo.html
@@ -470,7 +470,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/09-undo-and-redo.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/10-data-transformation.html b/10-data-transformation.html
index 253aee3c..aed06f98 100644
--- a/10-data-transformation.html
+++ b/10-data-transformation.html
@@ -608,7 +608,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/10-data-transformation.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-26",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/11-using-arrays-transformations.html b/11-using-arrays-transformations.html
index 2c24328b..9e19367c 100644
--- a/11-using-arrays-transformations.html
+++ b/11-using-arrays-transformations.html
@@ -329,7 +329,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Transformations - Handling Arrays</h1>
-        <p>Last updated on 2024-01-09 |
+        <p>Last updated on 2024-06-12 |
         
         <a href="https://github.com/librarycarpentry/lc-open-refine/edit/main/episodes/11-using-arrays-transformations.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -454,7 +454,7 @@ <h3 class="card-title">Objectives</h3>
 expression would look like</p>
 <pre><code>value.split("|").uniques().join("|")</code></pre>
 <p>Taking the same example again, this would result in a string with the
-subjects in alphabetical order, listed with commas between each
+subjects in alphabetical order, listed with pipes between each
 subject.</p>
 
 <div id="reverse-author-names" class="callout checklist">
@@ -590,8 +590,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://librarycarpentry.github.io/lc-open-refine/11-using-arrays-transformations.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/11-using-arrays-transformations.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-01-09",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/12-export-transformation.html b/12-export-transformation.html
index b59a29a7..8e5840e4 100644
--- a/12-export-transformation.html
+++ b/12-export-transformation.html
@@ -461,7 +461,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/12-export-transformation.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/13-looking-up-data.html b/13-looking-up-data.html
index ce77f173..c6dd5d0f 100644
--- a/13-looking-up-data.html
+++ b/13-looking-up-data.html
@@ -730,7 +730,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/13-looking-up-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-05-08",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index 30a909e3..8c9f9ac5 100644
--- a/404.html
+++ b/404.html
@@ -391,8 +391,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-open-refine/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 51b72a21..7420df2e 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -397,7 +397,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 232f5c7b..c8ea38ea 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -448,7 +448,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 6ea62f71..586543bb 100644
--- a/aio.html
+++ b/aio.html
@@ -1248,7 +1248,7 @@ <h3 class="callout-title">Which licences are used for articles in this
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a facet for the ‘Licence’ column</li>
@@ -1351,7 +1351,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>On the <code>DOI</code> column drop down and select
@@ -1401,7 +1401,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a Text facet on the Language column</li>
@@ -2248,7 +2248,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-11-using-arrays-transformations"><p>Content from <a href="11-using-arrays-transformations.html">Transformations - Handling Arrays</a></p>
 <hr>
-<p>Last updated on 2024-01-09 |
+<p>Last updated on 2024-06-12 |
         
         <a href="https://github.com/librarycarpentry/lc-open-refine/edit/main/episodes/11-using-arrays-transformations.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -2377,7 +2377,7 @@ <h3 class="card-title">Objectives</h3>
 expression would look like</p>
 <pre><code>value.split("|").uniques().join("|")</code></pre>
 <p>Taking the same example again, this would result in a string with the
-subjects in alphabetical order, listed with commas between each
+subjects in alphabetical order, listed with pipes between each
 subject.</p>
 
 <div id="reverse-author-names" class="callout checklist">
@@ -2963,8 +2963,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://librarycarpentry.github.io/lc-open-refine/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index 007d3957..2d76cd46 100644
--- a/discuss.html
+++ b/discuss.html
@@ -397,7 +397,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-10-20",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index da694d8f..09b4198b 100644
--- a/images.html
+++ b/images.html
@@ -466,8 +466,8 @@ <h3 id="13-looking-up-data-figure-1">Figure 1</h3>
   "url": "https://librarycarpentry.github.io/lc-open-refine/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index f252c057..f74bd691 100644
--- a/index.html
+++ b/index.html
@@ -504,8 +504,8 @@ <h3 id="getting-help">Getting help<a class="anchor" aria-label="anchor" href="#g
   "url": "https://librarycarpentry.github.io/lc-open-refine/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index fe3b1f30..b0a4aa61 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -514,8 +514,8 @@ <h2 id="powerful-transformations">Powerful transformations<a class="anchor" aria
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
index aa2a9f58..52948975 100644
--- a/instructor/01-introduction.html
+++ b/instructor/01-introduction.html
@@ -575,7 +575,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/01-introduction.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/02-importing-data.html b/instructor/02-importing-data.html
index 8c6cf8b2..7c9d3ae3 100644
--- a/instructor/02-importing-data.html
+++ b/instructor/02-importing-data.html
@@ -452,7 +452,7 @@ <h3 class="callout-title">Create your first OpenRefine project (using
   <h3 class="accordion-header" id="headingInstructor1">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>This is a good moment to review the points from <a href="01-introduction.html#what-should-i-know-when-working-with-openrefine">What
 Should I Know When Working with OpenRefine?</a></p>
@@ -485,7 +485,7 @@ <h3 id="going-further">Going Further<a class="anchor" aria-label="anchor" href="
   <h3 class="accordion-header" id="headingInstructor2">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
 <div class="accordion-body">
 <p>Carefully guide learners on how to revisit OpenRefine’s homepage to
 explore import options when creating new or re-opening existing
@@ -574,7 +574,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/02-importing-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-11-16",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/03-working-with-data.html b/instructor/03-working-with-data.html
index e0118aaa..9b072a80 100644
--- a/instructor/03-working-with-data.html
+++ b/instructor/03-working-with-data.html
@@ -654,7 +654,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/03-working-with-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-02-09",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/04-faceting-and-filtering.html b/instructor/04-faceting-and-filtering.html
index 3a0cf203..32bbff29 100644
--- a/instructor/04-faceting-and-filtering.html
+++ b/instructor/04-faceting-and-filtering.html
@@ -442,7 +442,7 @@ <h3 class="callout-title">Which licences are used for articles in this
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a facet for the ‘Licence’ column</li>
 <li>Sort values by <code>count</code>
@@ -534,7 +534,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>On the <code>DOI</code> column drop down and select
 <code>Facets &gt; Customized facets &gt; Facet by blank</code>
@@ -577,7 +577,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Create a Text facet on the Language column</li>
 <li>Notice that there is both <code>EN</code> and
@@ -667,7 +667,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/04-faceting-and-filtering.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-11-28",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/05-clustering.html b/instructor/05-clustering.html
index ab3d0ba0..f8aaf79d 100644
--- a/instructor/05-clustering.html
+++ b/instructor/05-clustering.html
@@ -488,7 +488,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/05-clustering.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-10-25",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/06-working-with-columns.html b/instructor/06-working-with-columns.html
index e2b14f04..b0e6765a 100644
--- a/instructor/06-working-with-columns.html
+++ b/instructor/06-working-with-columns.html
@@ -490,7 +490,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/06-working-with-columns.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-01-11",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/07-introduction-to-transformations.html b/instructor/07-introduction-to-transformations.html
index 6c0949ad..0455f79b 100644
--- a/instructor/07-introduction-to-transformations.html
+++ b/instructor/07-introduction-to-transformations.html
@@ -506,7 +506,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/07-introduction-to-transformations.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/08-writing-transformations.html b/instructor/08-writing-transformations.html
index 46331b13..da9a005b 100644
--- a/instructor/08-writing-transformations.html
+++ b/instructor/08-writing-transformations.html
@@ -494,7 +494,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/08-writing-transformations.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/09-undo-and-redo.html b/instructor/09-undo-and-redo.html
index cd00ce69..6100920f 100644
--- a/instructor/09-undo-and-redo.html
+++ b/instructor/09-undo-and-redo.html
@@ -472,7 +472,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/09-undo-and-redo.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/10-data-transformation.html b/instructor/10-data-transformation.html
index 7095a75b..9a2af57b 100644
--- a/instructor/10-data-transformation.html
+++ b/instructor/10-data-transformation.html
@@ -610,7 +610,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/10-data-transformation.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-26",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/11-using-arrays-transformations.html b/instructor/11-using-arrays-transformations.html
index b846eee0..adc0e117 100644
--- a/instructor/11-using-arrays-transformations.html
+++ b/instructor/11-using-arrays-transformations.html
@@ -329,7 +329,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Transformations - Handling Arrays</h1>
-        <p>Last updated on 2024-01-09 |
+        <p>Last updated on 2024-06-12 |
         
         <a href="https://github.com/librarycarpentry/lc-open-refine/edit/main/episodes/11-using-arrays-transformations.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -472,7 +472,7 @@ <h3 class="accordion-header" id="headingInstructor1">
 expression would look like</p>
 <pre><code>value.split("|").uniques().join("|")</code></pre>
 <p>Taking the same example again, this would result in a string with the
-subjects in alphabetical order, listed with commas between each
+subjects in alphabetical order, listed with pipes between each
 subject.</p>
 <div id="accordionInstructor2" class="accordion instructor-note accordion-flush">
 <div class="accordion-item">
@@ -623,8 +623,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/11-using-arrays-transformations.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/11-using-arrays-transformations.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-01-09",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/12-export-transformation.html b/instructor/12-export-transformation.html
index 746c5b72..6c5ebbfe 100644
--- a/instructor/12-export-transformation.html
+++ b/instructor/12-export-transformation.html
@@ -463,7 +463,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/12-export-transformation.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/13-looking-up-data.html b/instructor/13-looking-up-data.html
index d824d029..0da46d64 100644
--- a/instructor/13-looking-up-data.html
+++ b/instructor/13-looking-up-data.html
@@ -732,7 +732,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/13-looking-up-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2024-05-08",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 83dbb6da..cb294a97 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -391,8 +391,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 3a0df1da..2704e362 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -399,7 +399,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index d12ccfc8..4ed952ae 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -450,7 +450,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index f4e29ba9..cccca834 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -795,7 +795,7 @@ <h3 class="callout-title">Create your first OpenRefine project (using
   <h3 class="accordion-header" id="headingInstructor1">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>This is a good moment to review the points from <a href="01-introduction.html#what-should-i-know-when-working-with-openrefine">What
 Should I Know When Working with OpenRefine?</a></p>
@@ -833,7 +833,7 @@ <h3 id="going-further">Going Further<a class="anchor" aria-label="anchor" href="
   <h3 class="accordion-header" id="headingInstructor2">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor2" class="accordion-collapse collapse" aria-labelledby="headingInstructor2" data-bs-parent="#accordionInstructor2">
+<div id="collapseInstructor2" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor2" aria-labelledby="headingInstructor2">
 <div class="accordion-body">
 <p>Carefully guide learners on how to revisit OpenRefine’s homepage to
 explore import options when creating new or re-opening existing
@@ -1283,7 +1283,7 @@ <h3 class="callout-title">Which licences are used for articles in this
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a facet for the ‘Licence’ column</li>
@@ -1386,7 +1386,7 @@ <h3 class="callout-title">Find all publications without a DOI<a class="anchor" a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>On the <code>DOI</code> column drop down and select
@@ -1436,7 +1436,7 @@ <h3 class="callout-title">Correct the Language values via a facet<a class="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Create a Text facet on the Language column</li>
@@ -2307,7 +2307,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-11-using-arrays-transformations"><p>Content from <a href="11-using-arrays-transformations.html">Transformations - Handling Arrays</a></p>
 <hr>
-<p>Last updated on 2024-01-09 |
+<p>Last updated on 2024-06-12 |
         
         <a href="https://github.com/librarycarpentry/lc-open-refine/edit/main/episodes/11-using-arrays-transformations.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 20 minutes</p>
@@ -2453,7 +2453,7 @@ <h3 class="accordion-header" id="headingInstructor1">
 expression would look like</p>
 <pre><code>value.split("|").uniques().join("|")</code></pre>
 <p>Taking the same example again, this would result in a string with the
-subjects in alphabetical order, listed with commas between each
+subjects in alphabetical order, listed with pipes between each
 subject.</p>
 <div id="accordionInstructor2" class="accordion instructor-note accordion-flush">
 <div class="accordion-item">
@@ -3056,8 +3056,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index 9332ddd8..ee4200ee 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -399,7 +399,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-10-20",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index 3f875e9b..ad9f0e7c 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -468,8 +468,8 @@ <h3 id="13-looking-up-data-figure-1">Figure 1</h3>
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 24b5cc53..74a48e9d 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -645,8 +645,8 @@ <h3 id="getting-help">Getting help<a class="anchor" aria-label="anchor" href="#g
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index ee61669e..74128117 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -574,8 +574,8 @@ <h3 id="11-using-arrays-transformations-headingInstructor1">
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index 61631d20..5d704d7f 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -530,8 +530,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index 1e4f18a2..dd9fb864 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -348,8 +348,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-open-refine/instructor/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index 12581cff..d788e0af 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -392,7 +392,7 @@ <h1>Reference</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/instructor/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index ad311ebe..a8bddf8a 100644
--- a/key-points.html
+++ b/key-points.html
@@ -528,8 +528,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-open-refine/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/md5sum.txt b/md5sum.txt
index eb10f3a5..735eaeef 100644
--- a/md5sum.txt
+++ b/md5sum.txt
@@ -13,7 +13,7 @@
 "episodes/08-writing-transformations.md" "b69d3a52f8de4655d7c8695d95d5821d" "site/built/08-writing-transformations.md" "2023-05-01"
 "episodes/09-undo-and-redo.md" "9dba6d90cc6d8d9d5381cb537006b63e" "site/built/09-undo-and-redo.md" "2023-05-01"
 "episodes/10-data-transformation.md" "47399b9f87a7c2dfae1d6b67eea71cc7" "site/built/10-data-transformation.md" "2023-05-26"
-"episodes/11-using-arrays-transformations.md" "e115138dcb3c916bcaf5634600e594c4" "site/built/11-using-arrays-transformations.md" "2024-01-09"
+"episodes/11-using-arrays-transformations.md" "cf7877ad075ff434bbe86cec1c417265" "site/built/11-using-arrays-transformations.md" "2024-06-12"
 "episodes/12-export-transformation.md" "aa6dd576a893a0870baa24611573e50b" "site/built/12-export-transformation.md" "2023-05-01"
 "episodes/13-looking-up-data.md" "78395aeacd84ded698a0645d74ac2d48" "site/built/13-looking-up-data.md" "2024-05-08"
 "instructors/instructor-notes.md" "c2dfd88f1e85cccb9cbe872530c534ac" "site/built/instructor-notes.md" "2023-11-21"
diff --git a/pkgdown.yml b/pkgdown.yml
index a2d36d03..53ea75ed 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 3.1.11
 pkgdown: 2.0.9
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-06-11T00:24Z
+last_built: 2024-06-12T14:56Z
 
diff --git a/profiles.html b/profiles.html
index cb742169..a32109a7 100644
--- a/profiles.html
+++ b/profiles.html
@@ -348,8 +348,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-open-refine/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-06-11",
-  "datePublished": "2024-06-11"
+  "dateModified": "2024-06-12",
+  "datePublished": "2024-06-12"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 462f1668..921b8c33 100644
--- a/reference.html
+++ b/reference.html
@@ -390,7 +390,7 @@ <h1>Reference</h1>
   "identifier": "https://librarycarpentry.github.io/lc-open-refine/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-01",
-  "datePublished": "2024-06-11"
+  "datePublished": "2024-06-12"
 }
 
   </script><script>