diff --git a/_Sidebar.md b/_Sidebar.md
index 977b457..8b53abd 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -5,6 +5,7 @@
 - [Update Instructions](./Update-Instructions)
 - [The official MMS server](./The-official-MMS-server)
 - [Roadmap](./Roadmap)
+- [Versioning Scheme](./Versioning-Scheme)
 
 
 ### other