diff --git a/Installation.md b/Installation.md
index e568c6a..4bdeb98 100644
--- a/Installation.md
+++ b/Installation.md
@@ -333,6 +333,7 @@ MAIL_FROM_NAME: "[YOUR NAME]"
 
 _NOTES:_
 
+* Items commented out in the `.env` file are defaults, that will be used in the `docker-compose.yml` file automatically
 * This docker compose file should be called `docker-compose.yml` for it to be found automatically.
 * You'll defined the `[APP_KEY]` below
 * Update the `[IPv6_PREFIX]` as appropriate for your setup. This assumes you have your IPv6 setup, and you have configured your router to route this prefix to this host running clrghouz.