diff --git a/roles/mongodb/tasks/main.yml b/roles/mongodb/tasks/main.yml
index daef960bb..c3d3f8eba 100644
--- a/roles/mongodb/tasks/main.yml
+++ b/roles/mongodb/tasks/main.yml
@@ -1,4 +1,5 @@
-# 2019-07-08: legacy vars mongodb_install & mongodb_enabled are ignored at this time.
+# 2019-07-08: mongodb_install is completely ignored.  FYI mongodb_enabled: False
+# works but is ineffective, as Sugarizer starts mongodb's systemd svc on its own
 
 - name: Install 'mongodb' if not Debian 10+
   include_tasks: install.yml