Address substantially all of Eric Snow's comments in issue #15295, except for

those which now have additional XXX's here.  I'll get to those later. :)

Doc/glossary.rst

@@ -475,7 +475,7 @@ Glossary
 
    module
       An object that serves as an organizational unit of Python code.  Modules
-      have a namespace contain arbitrary Python objects.  Modules are loaded
+      have a namespace containing arbitrary Python objects.  Modules are loaded
       into Python by the process of :term:`importing`.
 
    MRO

Doc/whatsnew/3.3.rst

@@ -1677,6 +1677,8 @@ Porting to Python 3.3
 This section lists previously described changes and other bugfixes
 that may require changes to your code.
 
+.. _portingpythoncode:
+
 Porting Python code
 -------------------