diff --git a/Amazon-S3-API.md b/Amazon-S3-API.md
index ca8c5f6..8db6b49 100644
--- a/Amazon-S3-API.md
+++ b/Amazon-S3-API.md
@@ -14,7 +14,7 @@ Each bucket has its own collection. Usually one collection uses 7 volumes, where
 
 Try to keep the volume size low. For example,
 ```
-weed master -volumeSizeLimitMB=64
+weed master -volumeSizeLimitMB=1024
 ```
 
 The other side is to reduce the number of volumes to create. In `weed shell`, you can configure this way: