Merge 3.2, fix typos.
diff --git a/Lib/packaging/pypi/simple.py b/Lib/packaging/pypi/simple.py
index e01e033..44d98e1 100644
--- a/Lib/packaging/pypi/simple.py
+++ b/Lib/packaging/pypi/simple.py
@@ -269,7 +269,7 @@
     def _register_release(self, release=None, release_info={}):
         """Register a new release.
 
-        Both a release or a dict of release_info can be provided, the prefered
+        Both a release or a dict of release_info can be provided, the preferred
         way (eg. the quicker) is the dict one.
 
         Return the list of existing releases for the given project.