Tweak What's New doc

Author: edschofield

docs/whatsnew.rst

@@ -175,7 +175,9 @@ tests come from Python 3.3's test suite.
 Refactoring of ``future.standard_library.*`` -> ``future.backports``
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-The backported modules have been moved to ``future.backports`` to make the distinction clearer between these and the new ``future.moves`` package.
+The backported standard library modules have been moved to ``future.backports``
+to make the distinction clearer between these and the new ``future.moves``
+package.
 
 
 Backported ``http.server`` and ``urllib`` modules