diff --git a/_Sidebar.md b/_Sidebar.md
index 1b63a63..5d7f056 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -51,6 +51,7 @@
   * [[restic with SeaweedFS]]
   * [[S3 API Benchmark]]
   * [[S3 API FAQ]]
+  * [[S3 Bucket Quota]]
   * [[S3 API Audit log]]
 * AWS IAM
   * [[Amazon IAM API]]