diff --git a/_Sidebar.md b/_Sidebar.md
index d1b7620..a6fc388 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -18,6 +18,7 @@
   * [[Filer Commands and Operations]]
   * [[Mount]]
   * [[Amazon S3 API]]
+  * [[Async Cross Data Center Replication]]
   * [[Customize Filer Store]]
 * Use Cases
   * [[Use Cases]]