diff --git a/README.md b/README.md
index b5bf09f9..f42ea2d6 100644
--- a/README.md
+++ b/README.md
@@ -407,8 +407,8 @@ the commercial license of MiniGUI, please write to sales@minigui.com.
 
 ## COPYING
 
-Copyright (C) 2002~2019, Beijing FMSoft Technologies Co., Ltd.  
-Copyright (C) 1998~2002, WEI Yongming
+Copyright (C) 2002 ~ 2019, Beijing FMSoft Technologies Co., Ltd.  
+Copyright (C) 1998 ~ 2002, WEI Yongming
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by