diff --git a/web-splash/web-splash.sh b/web-splash/web-splash.sh
index 3de66ee..8f16a37 100755
--- a/web-splash/web-splash.sh
+++ b/web-splash/web-splash.sh
@@ -32,6 +32,11 @@ case "$ACTION" in
 		[ $# -lt 2 ] && echo "[WEB_SPLASH] you have to specify an IP address" && exit 2
 		register_IP "$2"
 		;;
+	unregister )
+		[ $# -gt 2 ] && echo "[WEB_SPLASH] too many parameters: only one IP address is allowed" && exit 1
+		[ $# -lt 2 ] && echo "[WEB_SPLASH] you have to specify an IP address" && exit 2
+		unregister_IP "$2"
+		;;
 	update )
 		update_IP_list
 		;;
@@ -45,7 +50,7 @@ case "$ACTION" in
 		  fi
 		;;
 	* )
-		echo "Syntax: $0 {start|stop|restart}"
+		echo "Syntax: $0 {start|stop|restart|register|unregister|update|traffic}"
 		echo
 		;;
   esac