diff --git a/Use-Config-File-for-Command-Line-Options.md b/Use-Config-File-for-Command-Line-Options.md
index 24044ba..b24c523 100644
--- a/Use-Config-File-for-Command-Line-Options.md
+++ b/Use-Config-File-for-Command-Line-Options.md
@@ -17,7 +17,7 @@ defaultReplication=001
 
 then refer it as 
 ```
-weed master -config=master.conf
+weed master -conf=master.conf
 ```
 
 Order of precedence of this flag, it is borrowed from https://github.com/namsral/flag with some customized for weed: