Minor grammatical tweaks.
diff --git a/Doc/library/pkgutil.rst b/Doc/library/pkgutil.rst
index 90ea835..58e9a6e 100644
--- a/Doc/library/pkgutil.rst
+++ b/Doc/library/pkgutil.rst
@@ -139,13 +139,14 @@
*prefix* is a string to output on the front of every module name on output.
.. note::
- Only works with a :term:`finder` which defines a ``iter_modules()``
+ Only works with a :term:`finder` which defines an ``iter_modules()``
method, which is non-standard but implemented by classes defined in this
module.
.. versionchanged:: 3.3
As of Python 3.3, the import system provides finders by default, but they
- do not include the ``iter_modules()`` method required by this function.
+ do not include the non-standard ``iter_modules()`` method required by this
+ function.
.. function:: walk_packages(path=None, prefix='', onerror=None)
@@ -176,12 +177,13 @@
walk_packages(ctypes.__path__, ctypes.__name__ + '.')
.. note::
- Only works for a :term:`finder` which define a ``iter_modules()`` method,
+ Only works for a :term:`finder` which define an ``iter_modules()`` method,
which is non-standard but implemented by classes defined in this module.
.. versionchanged:: 3.3
As of Python 3.3, the import system provides finders by default, but they
- do not include the ``iter_modules()`` method required by this function.
+ do not include the non-standard ``iter_modules()`` method required by this
+ function.
.. function:: get_data(package, resource)