Fix typo in 3.7 whatsnew (#2308)

Doc/whatsnew/3.7.rst

@@ -373,7 +373,7 @@ API and Feature Removals
 
 * Functions :func:`bool`, :func:`float`, :func:`list` and :func:`tuple` no
   longer take keyword arguments.  The first argument of :func:`int` can now
-  be passes only as positional argument.
+  be passed only as positional argument.
 
 * Removed previously deprecated in Python 2.4 classes ``Plist``, ``Dict`` and
   ``_InternalDict`` in the :mod:`plistlib` module.  Dict values in the result