diff --git a/global-conf.sh b/global-conf.sh
index 055026e3292ed913613703884fcb472217fbd208..6e7811d48a30c98329eb4dfad6f38ece0a302636 100644
--- a/global-conf.sh
+++ b/global-conf.sh
@@ -66,7 +66,7 @@ CM_ADMIN_PWD='test'
 # if no password is set, it will not be changed or set
 MYSQL_ROOT_PWD=
 MYSQL_HOST=
-# client IP seen by mysql server
+# client IP seen by mysql server, use commas to separate values
 MYSQL_CONTACT_IP=
 
 # -- Celerity --