Update README.md

README.md

@@ -4,6 +4,6 @@ C++ includes used for precompiling on Visual Studio
 
 - This file is a modified version of the <bits/stdc++.h> file from GCC that is compatible with Visual Studio.
 
-- The modifications are made by Xi Xu whose personal official home page is [https://www.xi-xu.me/](https://www.xi-xu.me/).
+- The modifications are made by Xi Xu whose personal official home page is [https://xi-xu.me/](https://xi-xu.me/).
 
 - The configuration method for this file can be searched on the Internet.