diff -ur gpe-shield-0.9.org/interface.c gpe-shield-0.9/interface.c
--- gpe-shield-0.9.org/interface.c	2006-02-04 23:53:45.000000000 +0000
+++ gpe-shield-0.9/interface.c	2007-06-18 01:50:02.000000000 +0000
@@ -569,7 +569,8 @@
 {
 	if (cmd == CMD_NO_IPTABLES)
 		show_message(GTK_MESSAGE_WARNING, _("This system does not " \
-	                                        "support firewalling or you"\
+	                                        "support firewalling (iptables " \
+						"command is not available) or you"\
 	                                        " don't have the right to "\
 	                                        "change firewall rules, this" \
 	                                        " application will exit now."));