diff --git a/HACKING.md b/HACKING.md
index 47604dca1..5ee2d08b4 100644
--- a/HACKING.md
+++ b/HACKING.md
@@ -535,7 +535,7 @@ Start by making a small configuration change so that the login process redirects
 to the development dashboard URL:
 
 ```shell
-nano docker-compose.yaml
+nano compose-common.yaml
 ```
 
 Find `JIMM_DASHBOARD_FINAL_REDIRECT_URL` and set it to `"http://jimm.localhost:8036"`.