Fix typo in re.escape documentation (GH-14722)
diff --git a/Doc/library/re.rst b/Doc/library/re.rst
index 5ef72b5..158248c 100644
--- a/Doc/library/re.rst
+++ b/Doc/library/re.rst
@@ -942,7 +942,7 @@
>>> print('|'.join(map(re.escape, sorted(operators, reverse=True))))
/|\-|\+|\*\*|\*
- This functions must not be used for the replacement string in :func:`sub`
+ This function must not be used for the replacement string in :func:`sub`
and :func:`subn`, only backslashes should be escaped. For example::
>>> digits_re = r'\d+'