diff --git a/README.md b/README.md
index 74e140c..e461374 100644
--- a/README.md
+++ b/README.md
@@ -87,7 +87,7 @@ You can access the web app at `http://localhost:8080/quiz/{quizId}?userId={userI
 - Run the following command
 
 ```
-npm run build --mode staging
+npm run build -- --mode staging
 ```
 
 #### Production