diff --git a/_Sidebar.md b/_Sidebar.md
index 28605c5..f45ae77 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -23,7 +23,8 @@
   * [[Add New Filer Store|Customize Filer Store]]
   * [[FUSE Mount]]
   * [[WebDAV]]
-* [[Amazon S3 API]]
+* AWS S3 Gateway
+  * [[Amazon S3 API]]
   * [[AWS CLI with SeaweedFS]]
   * [[s3cmd with SeaweedFS]]
   * [[restic with SeaweedFS]]