Merge in all documentation changes since branching 3.4.0rc1.
diff --git a/Doc/library/pkgutil.rst b/Doc/library/pkgutil.rst
index 10b7848..13ea7b9 100644
--- a/Doc/library/pkgutil.rst
+++ b/Doc/library/pkgutil.rst
@@ -147,6 +147,7 @@
*prefix* is a string to output on the front of every module name on output.
.. note::
+
Only works for a :term:`finder` which defines an ``iter_modules()``
method. This interface is non-standard, so the module also provides
implementations for :class:`importlib.machinery.FileFinder` and
@@ -185,6 +186,7 @@
walk_packages(ctypes.__path__, ctypes.__name__ + '.')
.. note::
+
Only works for a :term:`finder` which defines an ``iter_modules()``
method. This interface is non-standard, so the module also provides
implementations for :class:`importlib.machinery.FileFinder` and