diff --git a/Doc/c-api/arg.rst b/Doc/c-api/arg.rst
index a4e5555..0eb77ff 100644
--- a/Doc/c-api/arg.rst
+++ b/Doc/c-api/arg.rst
@@ -372,6 +372,8 @@
    is only needed if :cfunc:`PyArg_ParseTupleAndKeywords` is not used, since the
    latter already does this check.
 
+   .. versionadded:: 3.2
+
 
 .. XXX deprecated, will be removed
 .. cfunction:: int PyArg_Parse(PyObject *args, const char *format, ...)