diff --git a/github/UserKey.py b/github/UserKey.py
index 22502f60..1106526a 100644
--- a/github/UserKey.py
+++ b/github/UserKey.py
@@ -19,7 +19,7 @@ import github.GithubObject
 
 class UserKey(github.GithubObject.CompletableGithubObject):
     """
-    This class represents UserKeys as returned for example by http://developer.github.com/v3/todo
+    This class represents UserKeys. The reference can be found here http://developer.github.com/v3/users/keys/
     """
 
     @property