diff --git a/plugins/asterisk/asterisk_channels b/plugins/asterisk/asterisk_channels
index c0e2dd0c..e02acf43 100755
--- a/plugins/asterisk/asterisk_channels
+++ b/plugins/asterisk/asterisk_channels
@@ -5,6 +5,11 @@
 #  Converted to /bin/sh by Steve Schnepp
 # June 2012
 # Version 1.0
+# 
+# Run as root or make sure munin user can run 'asterisk -r' command
+#
+# [asterisk_channels]
+#   user root
 #
 # LGPL License