Update README.md

Author: AxeldeRomblay

README.md

@@ -18,7 +18,7 @@ __MLBox is a powerful Automated Machine Learning python library.__ It provides t
 - Prediction with models interpretation 
 
 
-__To get it installed__, please refer to [README](https://github.com/AxeldeRomblay/MLBox/blob/master/python-package/README.md)
+__To get it installed__, please refer to [README](https://github.com/AxeldeRomblay/MLBox/blob/master/python-package/README.rst)
 
 __For more details__, please refer to [docs](https://github.com/AxeldeRomblay/MLBox/tree/master/docs/documentation.md)