diff --git a/extensions/Overview.bs b/extensions/Overview.bs
index cc2407a..04740ab 100644
--- a/extensions/Overview.bs
+++ b/extensions/Overview.bs
@@ -779,14 +779,7 @@ The <span class="chunk">pCAL</span> chunk contains:
     Additional Registered Keywords
 </h3>
 
-<h4 id="K.Collection">
-    Collection
-</h4>
-
-    Name of a collection
-    to which the image belongs.
-    An image may belong to one or more collections,
-    each named by a separate text chunk.
+<p>(none)</p>
 
 
 <h3 id="K.Syntax">
diff --git a/index.html b/index.html
index 70e4b0b..ce86d51 100644
--- a/index.html
+++ b/index.html
@@ -4323,6 +4323,14 @@ <h2>Keywords and text strings</h2>
                 Keyword set to the null string, are recommended for XMP compliance.
               </td>
             </tr>
+
+            <tr>
+              <td>Collection</td>
+              <td>Name of a collection
+                to which the image belongs.
+                An image may belong to one or more collections,
+                each named by a separate text chunk.</td>
+            </tr>
           </table>
 
           <p>Other keywords MAY be defined by any application for private or general interest.</p>