using versionchanged instead of versionadded for distutils doc on sdist default files

Doc/distutils/setupscript.rst

@@ -450,11 +450,10 @@ way.  From the PyXML setup script::
          scripts=['scripts/xmlproc_parse', 'scripts/xmlproc_val']
          )
 
+.. versionchanged:: 2.7
   All the scripts will also be added to the ``MANIFEST``
   file if no template is provided. See :ref:`manifest`.
 
-.. versionadded:: 2.7
-
 .. _distutils-installing-package-data:
 
 Installing Package Data
@@ -499,10 +498,10 @@ The corresponding call to :func:`setup` might be::
 
 .. versionadded:: 2.4
 
+.. versionchanged:: 2.7
   All the files that match ``package_data`` will be added to the ``MANIFEST``
   file if no template is provided. See :ref:`manifest`.
 
-.. versionadded:: 2.7
 
 .. _distutils-additional-files:
 
@@ -540,10 +539,10 @@ without specifying a target directory, but this is not recommended, and the
 files directly in the target directory, an empty string should be given as the
 directory.
 
+.. versionchanged:: 2.7
   All the files that match ``data_files`` will be added to the ``MANIFEST``
   file if no template is provided. See :ref:`manifest`.
 
-.. versionadded:: 2.7
 
 
 .. _meta-data:

Doc/distutils/sourcedist.rst

@@ -87,14 +87,9 @@ source distribution:
 * all files that matches the ``package_data`` metadata.
   See :ref:`distutils-installing-package-data`.
 
-  .. versionadded:: 2.7
-
 * all files that matches the ``data_files`` metadata.
   See :ref:`distutils-additional-files`.
 
-  .. versionadded:: 2.7
-
-
 Sometimes this is enough, but usually you will want to specify additional files
 to distribute.  The typical way to do this is to write a *manifest template*,
 called :file:`MANIFEST.in` by default.  The manifest template is just a list of