diff --git a/_Sidebar.md b/_Sidebar.md
index 3dfb7e9..0454b93 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -8,6 +8,7 @@
   * [[Volume Server API]]
   * [[Filer Server API]]
   * [[Client Libraries]]
+  * [[Official Java Client]]
 * Configuration
   * [[Replication]]
   * [[Store file with a Time To Live]]