diff --git a/_Sidebar.md b/_Sidebar.md
index 5337440..c78ab22 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -16,6 +16,7 @@
     * [[Filer Cassandra Setup]]
   * [[Filer Commands and Operations]]
   * [[Mount]]
+  * [[Amazon S3 API]]
   * [[Customize Filer Store]]
 * Use Cases
   * [[Use Cases]]