diff --git a/Cloud-Drive-Architecture.md b/Cloud-Drive-Architecture.md
index 9206fd7..ceffddc 100644
--- a/Cloud-Drive-Architecture.md
+++ b/Cloud-Drive-Architecture.md
@@ -23,9 +23,9 @@ With this feature, SeaweedFS can cache data that is on cloud. It can cache both
 ![SeaweedFS Cloud Drive](https://raw.githubusercontent.com/chrislusf/seaweedfs/master/note/SeaweedFS_RemoteMount.png)
 
 ```
-  [HDFS|Mount|HTTP|S3|WebDAV] <== Filer(metadata cache) <== Volume Servers (data cache) <== Cloud
+[HDFS|Mount|HTTP|S3|WebDAV] <== Filer(metadata cache) <== Volume Servers (data cache) <== Cloud
 
-  [HDFS|Mount|HTTP|S3|WebDAV] ==> Filer(metadata cache) ==> Volume Servers (data cache) ==> `weed filer.remote.sync` ==> Cloud
+[HDFS|Mount|HTTP|S3|WebDAV] ==> Filer(metadata cache) ==> Volume Servers (data cache) ==> `weed filer.remote.sync` ==> Cloud
 ```
 
 There are no directory or file format changes to existing data on the cloud. So you do not need to change all existing workflows to read or write cloud files.