#10748: add versionchanged for non-trivial bugfix.
diff --git a/Doc/library/zipfile.rst b/Doc/library/zipfile.rst
index 1a4201c..73af8ab 100644
--- a/Doc/library/zipfile.rst
+++ b/Doc/library/zipfile.rst
@@ -123,9 +123,10 @@
and :program:`unzip` commands on Unix (the InfoZIP utilities) don't support
these extensions.
- If the file is created with mode ``'a'`` or ``'w'`` and then
- :meth:`close`\ d without adding any files to the archive, the appropriate
- ZIP structures for an empty archive will be written to the file.
+ .. versionchanged:: 2.7.1
+ If the file is created with mode ``'a'`` or ``'w'`` and then
+ :meth:`close`\ d without adding any files to the archive, the appropriate
+ ZIP structures for an empty archive will be written to the file.
ZipFile is also a context manager and therefore supports the
:keyword:`with` statement. In the example, *myzip* is closed after the