diff --git a/Amazon-S3-API.md b/Amazon-S3-API.md
index 550e446..c30e4d5 100644
--- a/Amazon-S3-API.md
+++ b/Amazon-S3-API.md
@@ -1,7 +1,7 @@
 To be compatible with Amazon S3 API, a separate "weed s3" command is provided. This provides much faster access when reading or writing files, compared to operating files on the cloud.
 
 `weed s3` will start a stateless gateway server to bridge the Amazon S3 API to SeaweedFS Filer.
-For convenience, `weed server -s3` will start a master, a volume server, a filer, and the S3 gateway.
+For convenience, `weed server -s3` will start a master, a volume server, a filer, and the S3 gateway. And `weed filer -s3` can start a filer and the S3 gateway together also.
 
 Each bucket is stored in one collection, and mapped to folder /buckets/<bucket_name> by default.