diff --git a/Amazon-IAM-API.md b/Amazon-IAM-API.md
index 7e2dfa2..39dffa4 100644
--- a/Amazon-IAM-API.md
+++ b/Amazon-IAM-API.md
@@ -3,7 +3,7 @@ To be compatible with Amazon IAM API, a separate "weed iam" command is provided.
 # How it works?
 `weed iam` will start a stateless gateway server to bridge the Amazon IAM API to SeaweedFS Filer. 
 
-# Supported APIs
+# Supported APIs only POST actions
 
 ```
 * CreateAccessKey
@@ -18,11 +18,6 @@ To be compatible with Amazon IAM API, a separate "weed iam" command is provided.
 * PutUserPolicy
 * GetUserPolicy
 * DeleteUserPolicy
-
-
-
-
-
 ```
 
 # Authentication