diff --git a/Running-Mastodon/Administration-guide.md b/Running-Mastodon/Administration-guide.md
index eb05c56..13f4ada 100644
--- a/Running-Mastodon/Administration-guide.md
+++ b/Running-Mastodon/Administration-guide.md
@@ -8,6 +8,7 @@ So, you have a working Mastodon instance... now what?
 The following rake task:
 
     RAILS_ENV=production bundle exec rails mastodon:make_admin USERNAME=alice
+    (or docker-compose run --rm web rails mastodon:make_admin USERNAME=alice)
 
 or, if using docker: