Update PyWin32 link

Author: ebogucka

README.md

@@ -772,7 +772,7 @@ Inspired by [awesome-php](https://github.com/ziadoz/awesome-php).
 * [Python(x,y)](http://python-xy.github.io/) - Scientific-applications-oriented Python Distribution based on Qt and Spyder.
 * [pythonlibs](http://www.lfd.uci.edu/~gohlke/pythonlibs/) - Unofficial Windows binaries for Python extension packages.
 * [PythonNet](https://github.com/pythonnet/pythonnet) - Python Integration with the .NET Common Language Runtime (CLR).
-* [PyWin32](https://sourceforge.net/projects/pywin32/) - Python Extensions for Windows.
+* [PyWin32](https://github.com/mhammond/pywin32) - Python Extensions for Windows.
 * [WinPython](https://winpython.github.io/) - Portable development environment for Windows 7/8.
 
 ## Miscellaneous