diff --git a/README.md b/README.md
index b929d1e5..60385f20 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ Reset mailcow admin to `admin:moohoo`:
 
 Connect to redis database:
 ```
-./build-mysql.sh client
+./build-mysql.sh --client
 ```
 
 ### rspamd