diff --git a/README.md b/README.md
index 1f93b1f..0489f41 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,8 @@ Build using Flask, see https://flask.palletsprojects.com/en/2.2.x/
   3. Run
   
      ```
-	 flask --app app/ --debug run
+	 export FLASK_DEBUG=1
+	 flask run
 	 ```
 
 The site should now be visible on 127.0.0.1:5000