diff --git a/_Sidebar.md b/_Sidebar.md
index c5bd374..78d4803 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -15,7 +15,7 @@
         -   [Important Principals](./ModuleClientAPIPrincipals)
         -   [User](./ModuleClientAPIUser)
         -   [GameLib](./ModuleClientAPIGameLib)
-            -   [Controller](./ModuleClientAPIGameLibController.md)
+            -   [Controller](./ModuleClientAPIGameLibController)
     -   [ModuleServerAPI](./ModuleServerAPI)
         -   [Important Principals](./ModuleServerAPIPrincipals)
         -   [Client](./ModuleServerAPIClient)