diff --git a/core/README.md b/core/README.md
index 9c81dd3..bed1905 100644
--- a/core/README.md
+++ b/core/README.md
@@ -4,7 +4,7 @@ Mailman3 Core Docker Image
 When you spawn off this container, you must mount `/opt/mailman` to the
 container. Mailman's `var` directory will also be stored here so that it can
 persist across different sessions and containers. Any configuration at
-`/opt/mailman/mailman-extra.cfg` will be added to the mailman's default
+`/opt/mailman/core/mailman-extra.cfg` (on the host) will be added to the mailman's default
 generated confifguration (See below).
 
 It is not advised to run multiple mailman processes on the same host sharing the