diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 0035989..481f3f6 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -4,7 +4,7 @@ How to contribute
 This guide is under heavy development. If you would like to contribute, please
 see:
 
-http://docs.python-guide.org/en/latest/notes/contribute.html
+http://docs.python-guide.org/en/latest/notes/contribute/
 
 
 Style Guide