diff --git a/apps/server/src/assets/doc_notes/en/User Guide/User Guide/Basic Concepts and Features/UI Elements/Right Sidebar/Outline tab.html b/apps/server/src/assets/doc_notes/en/User Guide/User Guide/Basic Concepts and Features/UI Elements/Right Sidebar/Outline tab.html
index ea3bb9159a..9725568102 100644
--- a/apps/server/src/assets/doc_notes/en/User Guide/User Guide/Basic Concepts and Features/UI Elements/Right Sidebar/Outline tab.html	
+++ b/apps/server/src/assets/doc_notes/en/User Guide/User Guide/Basic Concepts and Features/UI Elements/Right Sidebar/Outline tab.html	
@@ -22,6 +22,9 @@
 <ul>
   <li>Clicking on a heading will scroll the document to the position of the
     heading.</li>
+  <li>As the document is scrolled, the heading being read is highlighted and
+    the list scrolls to keep it in view. If that heading is hidden inside a
+    collapsed section, the collapsed heading is highlighted instead.</li>
   <li>Pressing the close button will dismiss the table of contents but it can
     be shown again from the&nbsp;<a class="reference-link" href="#root/_help_XpOYSgsLkTJy">Floating buttons</a>&nbsp;section.</li>
 </ul>
diff --git a/docs/User Guide/User Guide/Basic Concepts and Features/UI Elements/Right Sidebar/Outline tab.md b/docs/User Guide/User Guide/Basic Concepts and Features/UI Elements/Right Sidebar/Outline tab.md
index 5d2f2956a5..f6d9d797a0 100644
--- a/docs/User Guide/User Guide/Basic Concepts and Features/UI Elements/Right Sidebar/Outline tab.md	
+++ b/docs/User Guide/User Guide/Basic Concepts and Features/UI Elements/Right Sidebar/Outline tab.md	
@@ -18,6 +18,7 @@ The following note types are supported:
 ### Interaction
 
 *   Clicking on a heading will scroll the document to the position of the heading.
+*   As the document is scrolled, the heading being read is highlighted and the list scrolls to keep it in view. If that heading is hidden inside a collapsed section, the collapsed heading is highlighted instead.
 *   Pressing the close button will dismiss the table of contents but it can be shown again from the <a class="reference-link" href="../Floating%20buttons.md">Floating buttons</a> section.
 
 ### Configuration