Fix documentation typo for functools.cmp_to_key (GH-95766)

diff --git a/Doc/library/functools.rst b/Doc/library/functools.rst
index dd4d76e..00aca09 100644
--- a/Doc/library/functools.rst
+++ b/Doc/library/functools.rst
@@ -119,7 +119,7 @@
    tool for programs being converted from Python 2 which supported the use of
    comparison functions.
 
-   A comparison function is any callable that accept two arguments, compares them,
+   A comparison function is any callable that accepts two arguments, compares them,
    and returns a negative number for less-than, zero for equality, or a positive
    number for greater-than.  A key function is a callable that accepts one
    argument and returns another value to be used as the sort key.