diff --git a/PCPieChart.h b/PCPieChart.h
index 65f403a..f82d825 100755
--- a/PCPieChart.h
+++ b/PCPieChart.h
@@ -1,32 +1,8 @@
 /**
- * Copyright (c) 2011 Muh Hon Cheng
- * Created by honcheng on 28/4/11.
- * 
- * Permission is hereby granted, free of charge, to any person obtaining 
- * a copy of this software and associated documentation files (the 
- * "Software"), to deal in the Software without restriction, including 
- * without limitation the rights to use, copy, modify, merge, publish, 
- * distribute, sublicense, and/or sell copies of the Software, and to 
- * permit persons to whom the Software is furnished to do so, subject 
- * to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be 
- * included in all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT 
- * WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
- * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR 
- * PURPOSE AND NONINFRINGEMENT. IN NO EVENT 
- * SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 
- * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR 
- * IN CONNECTION WITH THE SOFTWARE OR 
- * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- * @author 		Muh Hon Cheng <honcheng@gmail.com>
- * @copyright	2011	Muh Hon Cheng
+ * Copyright (c) 2011 Sheng Hua Wu
+ * Created by ash on 15/8/14.
+ * @author 		Sheng Hua Wu <honcheng@gmail.com>
+ * @copyright	2014	Sheng Hua Wu
  * @version
  * 
  */