diff --git a/Cloud-Drive-Quick-Setup.md b/Cloud-Drive-Quick-Setup.md
index 20ea1c4..e0144e8 100644
--- a/Cloud-Drive-Quick-Setup.md
+++ b/Cloud-Drive-Quick-Setup.md
@@ -3,7 +3,7 @@ But for SeaweedFS Cloud Drive, the setup is easy.
 
 # Setup a simple SeaweedFS cluster
 
-To use Cloud Drive, a simple SeaweedFS cluster without HA is fine. The cloud storage has a copy already.
+To use Cloud Drive, a simple SeaweedFS cluster without HA is fine. The cloud storage is a backup copy already.
 
 Since very likely you may want to use S3, the following will include S3 setup.