Update README.md

Author: chyyuu

Diff for: README.md

@@ -221,7 +221,7 @@ OR
 S郭晓林、薛天凡、胡刚、刘超、粟裕、袁昕颢...
 欢迎加入我们的OS兴趣小组，共同进步！
 
-## [兴趣](https://github.com/chyyuu/os_course_info/blob/master/README.md#兴趣)
+## [对OS感兴趣？](https://github.com/chyyuu/os_course_info/blob/master/README.md#兴趣)
 
 ## 版权信息