Reference to python-decouple on README.rst too

README.rst

@@ -5,7 +5,9 @@ prettyconf
 
 Pretty Conf is a Python library created to make easy the separation of
 configuration and code following the recomendations of `12 Factor`_'s topic
-about configs.
+about configs. It was strongly inspired in `python-decouple`_ and both
+provides a similar API.
+
 
 
 Documentation
@@ -16,7 +18,7 @@ You can find ``prettyconf`` documentation at `Read the Docs`_ website.
 
 .. _`12 Factor`: http://12factor.net/
 .. _`Read the Docs`: http://prettyconf.readthedocs.org/
-
+.. _`python-decouple`: https://github.com/henriquebastos/python-decouple
 
 .. |Build Status| image:: https://travis-ci.org/osantana/prettyconf.png?branch=master
    :target: https://travis-ci.org/osantana/prettyconf