Merge 3.2, fix typos.
diff --git a/Lib/packaging/pypi/dist.py b/Lib/packaging/pypi/dist.py
index dbf6459..541465e 100644
--- a/Lib/packaging/pypi/dist.py
+++ b/Lib/packaging/pypi/dist.py
@@ -427,7 +427,7 @@
         """Sort the results with the given properties.
 
         The `prefer_final` argument can be used to specify if final
-        distributions (eg. not dev, bet or alpha) would be prefered or not.
+        distributions (eg. not dev, beta or alpha) would be preferred or not.
 
         Results can be inverted by using `reverse`.