diff --git a/playbooks/groups/mbs.yml b/playbooks/groups/mbs.yml
index 33bd6d9acc..2cd748525c 100644
--- a/playbooks/groups/mbs.yml
+++ b/playbooks/groups/mbs.yml
@@ -112,6 +112,8 @@
     host: "mbs{{env_suffix}}.fedoraproject.org"
   - role: fedmsg/hub
     tags: fedmsg/hub
+  # Amazingly, there isn't need for a mbs/backend role.  The fedmsg/hub role
+  # along with mbs/common is enough.
   #- mbs/backend
 
   handlers: