diff -r 0d8f139a6e19 Doc/library/unittest.mock.rst
--- a/Doc/library/unittest.mock.rst	Sat Jul 16 07:17:46 2016 +0000
+++ b/Doc/library/unittest.mock.rst	Sat Jul 16 18:52:26 2016 +0100
@@ -352,7 +352,7 @@
             >>> calls = [call(4), call(2), call(3)]
             >>> mock.assert_has_calls(calls, any_order=True)
 
-    .. method:: assert_not_called(*args, **kwargs)
+    .. method:: assert_not_called()
 
         Assert the mock was never called.