diff --git a/Optimization.md b/Optimization.md
index 91f816b..00dbfc5 100644
--- a/Optimization.md
+++ b/Optimization.md
@@ -35,7 +35,7 @@ curl http://localhost:9333/vol/grow?count=12&collection=benchmark
 curl http://localhost:9333/vol/grow?count=12&dataCenter=dc1
 ```
 
-Another way to change the volume growth strategy is to use `master.toml` generated by `weed scaffold -conf=master`. Adjust the following section:
+Another way to change the volume growth strategy is to use `master.toml` generated by `weed scaffold -config=master`. Adjust the following section:
 
 ```
 [master.volume_growth]