diff --git a/_Sidebar.md b/_Sidebar.md
index 5908329..9a1e756 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -41,7 +41,8 @@
   * [[restic with SeaweedFS]]
   * [[S3 API Benchmark]]
   * [[S3 Gateway FAQ]]
-* AWS IAM API[[Amazon IAM API]]
+* AWS IAM API
+  * [[Amazon IAM API]]
 * Machine Learning
   * [[TensorFlow with SeaweedFS]]
 * HDFS