diff --git a/install-vpnmon.sh b/install-vpnmon.sh
index 9613a5a..199630e 100755
--- a/install-vpnmon.sh
+++ b/install-vpnmon.sh
@@ -1,5 +1,4 @@
 #!/usr/bin/env bash
-# Wrapper script for install, for easier execution via URL.
 
 if [ -d /opt/idssys/defaults ]; then
 	source /opt/idssys/defaults/colors.inc
@@ -33,10 +32,10 @@ sleep 1s
 echo -e "
 SYSTEM=''
 
-VPN_CFGNAME=''
+VPN_CFGNAME=''			# any name, only letters and numbers, no spaces
 VPN_INTERFACE='ppp0'
 
-ROUTE_SUBNET1=''
+ROUTE_SUBNET1=''		# 10.1.0.0/16
 ROUTE_SUBNET2=''
 " > /opt/idssys/vpnmon/system.inc