write versionadded
diff --git a/Doc/c-api/object.rst b/Doc/c-api/object.rst
index 43768f3..d895547 100644
--- a/Doc/c-api/object.rst
+++ b/Doc/c-api/object.rst
@@ -106,12 +106,16 @@
A generic implementation for the getter of a ``__dict__`` descriptor. It
creates the dictionary if necessary.
+ .. versionadded:: 3.3
+
.. c:function:: int PyType_GenericSetDict(PyObject *o, void *context)
A generic implementation for the setter of a ``__dict__`` descriptor. This
implementation does not allow the dictionary to be deleted.
+ .. versionadded:: 3.3
+
.. c:function:: PyObject* PyObject_RichCompare(PyObject *o1, PyObject *o2, int opid)