diff --git a/swift-2048/AppDelegate.swift b/swift-2048/AppDelegate.swift
index 2475ec9b..59a2ac4e 100644
--- a/swift-2048/AppDelegate.swift
+++ b/swift-2048/AppDelegate.swift
@@ -6,6 +6,8 @@
 //  Copyright (c) 2014 Austin Zheng. Released under the terms of the MIT license.
 //
 
+// I did a change for testing :)
+
 import UIKit
 
 @UIApplicationMain