From 1baa3152228b3734515de4465d0c88822ae211ec Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Tue, 16 Dec 2025 12:50:02 +0100
Subject: [PATCH] [3.13] Correct Glossary key function example to use
 str.casefold instead of str.lower (GH-140316) (#142806)

Co-authored-by: Cameron Beck <94604154+cbkinase@users.noreply.github.com>
---
 Doc/glossary.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Doc/glossary.rst b/Doc/glossary.rst
index bdb44009e812..3cf62f493251 100644
--- a/Doc/glossary.rst
+++ b/Doc/glossary.rst
@@ -767,7 +767,7 @@ Glossary
       :func:`itertools.groupby`.
 
       There are several ways to create a key function.  For example. the
-      :meth:`str.lower` method can serve as a key function for case insensitive
+      :meth:`str.casefold` method can serve as a key function for case insensitive
       sorts.  Alternatively, a key function can be built from a
       :keyword:`lambda` expression such as ``lambda r: (r[0], r[2])``.  Also,
       :func:`operator.attrgetter`, :func:`operator.itemgetter`, and
-- 
2.47.3