#15831: avoid using 3.x syntax for keyword-only args.
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index a86e768..37dd5f3 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -779,7 +779,7 @@
    :ref:`typememoryview` for more information.
 
 
-.. function:: min(iterable, *[, key])
+.. function:: min(iterable[, key])
               min(arg1, arg2, *args[, key])
 
    Return the smallest item in an iterable or the smallest of two or more