diff --git a/wpf-toc.html b/wpf-toc.html
index 4dabc00c4a..15779d2ea8 100644
--- a/wpf-toc.html
+++ b/wpf-toc.html
@@ -1019,7 +1019,7 @@
             <li>
                 How to
                 <ul>
-                    <li><a href="/wpf/Gantt/how-to/Restrict-SelectionMode-as-Single">Restrict SelectionMode as Single</a></li>
+                    <li><a href="/wpf/Gantt/how-to/restrict-item-selection-in-WPF-gantt">Restrict Item Selection</a></li>
                 </ul>
             </li>
         </ul>
diff --git a/wpf/Gantt/How-To/Restrict-SelectionMode-as-Single.md b/wpf/Gantt/How-To/restrict-item-selection-in-WPF-gantt.md
similarity index 100%
rename from wpf/Gantt/How-To/Restrict-SelectionMode-as-Single.md
rename to wpf/Gantt/How-To/restrict-item-selection-in-WPF-gantt.md