diff --git a/README.md b/README.md
index 9c3285b..9585ead 100644
--- a/README.md
+++ b/README.md
@@ -169,7 +169,7 @@ mounted inside the containers.
    container.
 
 ### Mailman-web
-These are the settings that you MUST change before deploying:
+These are the settings that you MUST change in your docker-compose.yaml before deploying:
 
 - `SERVE_FROM_DOMAIN`: The domain name from which Django will be served. To be
   added to `ALLOWED_HOSTS` in django settings. Default value is not set. This
@@ -212,7 +212,7 @@ For more details on how to configure this image, please look at
 
 ### Mailman-Core
 
-These are the variables that you MUST change before deploying:
+These are the variables that you MUST change in your docker-compose.yaml before deploying:
 
 - `HYPERKITTY_API_KEY`: Hyperkitty's API Key, should be set to the same value as
   set for the mailman-web. Skip the variable in case of non-Hyperkitty deployment.