diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index d5add11..bd00ac8 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -36,7 +36,7 @@ cd LibreTranslate
 Run in development:
 
 ```bash
-hatch run dev
+hatch run dev --debug
 ```
 
 Then open a web browser to <http://localhost:5000>