diff --git a/roles/httpd/tasks/main.yml b/roles/httpd/tasks/main.yml
index 07d45ef76..669f5b6bd 100644
--- a/roles/httpd/tasks/main.yml
+++ b/roles/httpd/tasks/main.yml
@@ -114,7 +114,8 @@
 #
 # NOTE: activity-server/tasks/main.yml runs "a2enmod expires"
 # NOTE: awstats/tasks/install.yml      runs "a2enmod cgi"
-# 2019-10-07: proxy_http is definitely essential!  (ARE THE OTHER 4 REALLY NEEDED ?)
+# NOTE: nodered/tasks/main.yml uses apache2_module to install "proxy_wstunnel"
+# 2019-10-07: proxy_http is definitely essential!  (ARE THE OTHER 4 BELOW REALLY NEEDED ?)
 - name: 'Enable 5 Apache modules, as with "a2enmod" command: headers, proxy, proxy_html, proxy_http, rewrite (for http://box/kiwix, http://box/kolibri, http://box/nodered, etc--if debuntu)'
   apache2_module:
     name: "{{ item }}"