diff --git a/00-welcome.html b/00-welcome.html
index dcc3f81..0e2570c 100644
--- a/00-welcome.html
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@@ -469,7 +469,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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 }
 
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diff --git a/01-introduction.html b/01-introduction.html
index c2ac7a3..ed81d64 100644
--- a/01-introduction.html
+++ b/01-introduction.html
@@ -547,7 +547,7 @@ <h3 id="machine-translation">Machine translation<a class="anchor" aria-label="an
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   "dateModified": "2024-05-06",
-  "datePublished": "2024-08-06"
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diff --git a/02-preprocessing.html b/02-preprocessing.html
index 9e63308..8a37b33 100644
--- a/02-preprocessing.html
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@@ -780,7 +780,7 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
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-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ul><li>Lemmatized word cloud</li>
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@@ -902,7 +902,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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-  "datePublished": "2024-08-06"
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diff --git a/03-embeddings.html b/03-embeddings.html
index 4f2a029..21c0073 100644
--- a/03-embeddings.html
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diff --git a/404.html b/404.html
index 35346fd..f7396d5 100644
--- a/404.html
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-  "dateModified": "2024-08-06",
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diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index a39474f..81bc55b 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -381,7 +381,7 @@ <h1>Contributor Code of Conduct</h1>
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diff --git a/LICENSE.html b/LICENSE.html
index 62a49bb..c3102e8 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -432,7 +432,7 @@ <h1>Licenses</h1>
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   "dateCreated": "2023-11-16",
   "dateModified": "2023-04-07",
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diff --git a/aio.html b/aio.html
index 6b5f0d2..ea76eec 100644
--- a/aio.html
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-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ul>
 <li>Lemmatized word cloud</li>
@@ -2568,8 +2568,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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 }
 
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diff --git a/images.html b/images.html
index eb1d8fa..235c024 100644
--- a/images.html
+++ b/images.html
@@ -438,8 +438,8 @@ <h3 id="03-embeddings-figure-12">Figure 12</h3>
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-  "dateModified": "2024-08-06",
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diff --git a/index.html b/index.html
index c472d8c..d925cf9 100644
--- a/index.html
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@@ -441,8 +441,8 @@ <h4 class="accordion-header" id="headingSolution3">
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-  "dateModified": "2024-08-06",
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diff --git a/instructor-notes.html b/instructor-notes.html
index ad12c1b..2a68352 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -398,8 +398,8 @@ <h1>Instructor Notes</h1>
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-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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diff --git a/instructor/00-welcome.html b/instructor/00-welcome.html
index 6f7dbee..c7446fd 100644
--- a/instructor/00-welcome.html
+++ b/instructor/00-welcome.html
@@ -471,7 +471,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
index a8afbe9..bca694a 100644
--- a/instructor/01-introduction.html
+++ b/instructor/01-introduction.html
@@ -549,7 +549,7 @@ <h3 id="machine-translation">Machine translation<a class="anchor" aria-label="an
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   "dateCreated": "2023-11-16",
   "dateModified": "2024-05-06",
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diff --git a/instructor/02-preprocessing.html b/instructor/02-preprocessing.html
index 39175d3..d85ccf1 100644
--- a/instructor/02-preprocessing.html
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ul><li>Lemmatized word cloud</li>
 </ul><p>The doc can be created to consist only of lemma’s as follows:</p>
@@ -904,7 +904,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateModified": "2024-07-09",
-  "datePublished": "2024-08-06"
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diff --git a/instructor/03-embeddings.html b/instructor/03-embeddings.html
index 968e44c..b02c92e 100644
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@@ -1593,7 +1593,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateModified": "2024-07-25",
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diff --git a/instructor/404.html b/instructor/404.html
index bbdc3dc..346290c 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -355,8 +355,8 @@ <h1>Page not found</h1>
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   "identifier": "https://esciencecenter-digital-skills.github.io/Natural-language-processing/instructor/404.html",
   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 9e8e0a9..d19cdef 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -383,7 +383,7 @@ <h1>Contributor Code of Conduct</h1>
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   "dateCreated": "2023-11-16",
   "dateModified": "2022-08-05",
-  "datePublished": "2024-08-06"
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diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 321a2e1..70a6848 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -434,7 +434,7 @@ <h1>Licenses</h1>
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   "dateCreated": "2023-11-16",
   "dateModified": "2023-04-07",
-  "datePublished": "2024-08-06"
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 }
 
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diff --git a/instructor/aio.html b/instructor/aio.html
index 8b365c5..b6e6374 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -1157,7 +1157,7 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
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 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <ul>
 <li>Lemmatized word cloud</li>
@@ -2574,8 +2574,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
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   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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diff --git a/instructor/images.html b/instructor/images.html
index 04d3847..0ab719b 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -440,8 +440,8 @@ <h3 id="03-embeddings-figure-12">Figure 12</h3>
   "url": "https://esciencecenter-digital-skills.github.io/Natural-language-processing/instructor/images.html",
   "identifier": "https://esciencecenter-digital-skills.github.io/Natural-language-processing/instructor/images.html",
   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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 }
 
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diff --git a/instructor/index.html b/instructor/index.html
index b4b5b68..77cf688 100644
--- a/instructor/index.html
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@@ -498,8 +498,8 @@ <h4 class="accordion-header" id="headingSolution3">
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   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 2b4b2ba..844548b 100644
--- a/instructor/instructor-notes.html
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@@ -404,8 +404,8 @@ <h1>Instructor Notes</h1>
   "url": "https://esciencecenter-digital-skills.github.io/Natural-language-processing/instructor/instructor-notes.html",
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   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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 }
 
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diff --git a/instructor/key-points.html b/instructor/key-points.html
index f5dc714..9e8f626 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -442,8 +442,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
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diff --git a/instructor/profiles.html b/instructor/profiles.html
index e532cef..f0a5ede 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -334,8 +334,8 @@ <h1>Learner Profiles</h1>
   "url": "https://esciencecenter-digital-skills.github.io/Natural-language-processing/instructor/profiles.html",
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   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
+  "dateModified": "2024-08-13",
+  "datePublished": "2024-08-13"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index cb1bf96..3d3e18b 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -376,7 +376,7 @@ <h1>Reference</h1>
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   "dateCreated": "2023-11-16",
   "dateModified": "2023-03-16",
-  "datePublished": "2024-08-06"
+  "datePublished": "2024-08-13"
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diff --git a/key-points.html b/key-points.html
index beda03d..6d0c663 100644
--- a/key-points.html
+++ b/key-points.html
@@ -440,8 +440,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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diff --git a/pkgdown.yml b/pkgdown.yml
index 277a16a..5aae79b 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,4 +2,4 @@ pandoc: 3.1.11
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diff --git a/profiles.html b/profiles.html
index 2adb7cc..7b7bf92 100644
--- a/profiles.html
+++ b/profiles.html
@@ -334,8 +334,8 @@ <h1>Learner Profiles</h1>
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   "dateCreated": "2023-11-16",
-  "dateModified": "2024-08-06",
-  "datePublished": "2024-08-06"
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diff --git a/reference.html b/reference.html
index 302690b..ad37d96 100644
--- a/reference.html
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   "dateCreated": "2023-11-16",
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