diff --git a/S3-API-FAQ.md b/S3-API-FAQ.md
index eb6708e..e61cc53 100644
--- a/S3-API-FAQ.md
+++ b/S3-API-FAQ.md
@@ -26,6 +26,7 @@ This will add 1 physical volume when existing volumes are full. If using replica
 
 See  https://github.com/seaweedfs/seaweedfs/wiki/Path-Specific-Configuration
 
+Or you can change volume growth count in master config file (`weed scaffold -config=master`), You have to change `copy_x` values.
 
 ## How to speed up bucket deletion?