added "-- MODES --"-section to help

src/paperctl.sh

@@ -7,9 +7,12 @@ echo ""
 
 show_help(){
 	echo "-- HELP --"
-	echo "  -v   | Print the current application version"
+	echo "  -v      | Print the current application version"
-	echo "  -h   | Show this help text"
+	echo "  -h      | Show this help text"
-	echo "  -y   | Answer all questions with yes"
+	echo "  -y      | Answer all questions with yes"
+	echo ""
+	echo "-- MODES --"
+	echo "  access  | control over remote access to the device (mac-based-filtering using iptables)"
 	exit 0
 }