diff --git a/Async-Backup.md b/Async-Backup.md
index 05fbc14..84bd53e 100644
--- a/Async-Backup.md
+++ b/Async-Backup.md
@@ -11,9 +11,9 @@ Of course, you can also backup to local disks on another machine.
 
 ```
                     Metadata Changes
-        Filer  --------------------------> `weed filer.backup` --> AWS S3
-                                                     |
-                                                     +-----------> GCP
+        Filer  -----------------------> `weed filer.backup` -----> AWS S3
+                            volume data      |       |
+        Volume Servers  ---------------------+       +-----------> GCP
                                                      |
                                                      +-----------> Azure
                                                      |