Document that GzipFile supports iteration.
diff --git a/Doc/library/gzip.rst b/Doc/library/gzip.rst
index b789a3c..17896c3 100644
--- a/Doc/library/gzip.rst
+++ b/Doc/library/gzip.rst
@@ -67,7 +67,7 @@
writing as *fileobj*, and retrieve the resulting memory buffer using the
:class:`StringIO` object's :meth:`getvalue` method.
- :class:`GzipFile` supports the :keyword:`with` statement.
+ :class:`GzipFile` supports iteration and the :keyword:`with` statement.
.. versionchanged:: 2.7
Support for the :keyword:`with` statement was added.