Fix Link to citations

souravsingh · web-flow · commit 2b1e9af6b85f · 2016-09-21T20:48:41.000+05:30
diff --git a/docs/citing_the_library.rst b/docs/citing_the_library.rst
@@ -5,6 +5,6 @@ We would be delighted if anyone wanted to use and/or reference this library for
 their own research.
 
 If you do please let us know and reference the library: as described in the
-`CITATION.txt file on the library
+`CITATION.rst file on the library
 repository
-<https://github.com/Axelrod-Python/Axelrod/blob/master/CITATION.txt>`_.
+<https://github.com/Axelrod-Python/Axelrod/blob/master/CITATION.rst>`_.
