diff --git a/Doc/c-api/descriptor.rst b/Doc/c-api/descriptor.rst
index ff0df575279d96..22c3b790cc3ec3 100644
--- a/Doc/c-api/descriptor.rst
+++ b/Doc/c-api/descriptor.rst
@@ -38,3 +38,45 @@ found in the dictionary of type objects.
 
 
 .. c:function:: PyObject* PyWrapper_New(PyObject *, PyObject *)
+
+
+Built-in descriptors
+^^^^^^^^^^^^^^^^^^^^
+
+.. c:var:: PyTypeObject PySuper_Type
+
+   The type object for super objects. This is the same object as
+   :class:`super` in the Python layer.
+
+
+.. c:var:: PyTypeObject PyClassMethod_Type
+
+   The type of class method objects. This is the same object as
+   :class:`classmethod` in the Python layer.
+
+
+.. c:function:: PyObject *PyClassMethod_New(PyObject *callable)
+
+   Create a new :class:`classmethod` object wrapping *callable*.
+   *callable* must be a callable object and must not be ``NULL``.
+
+   On success, this function returns a :term:`strong reference` to a new class
+   method descriptor. On failure, this function returns ``NULL`` with an
+   exception set.
+
+
+.. c:var:: PyTypeObject PyStaticMethod_Type
+
+   The type of static method objects. This is the same object as
+   :class:`staticmethod` in the Python layer.
+
+
+.. c:function:: PyObject *PyStaticMethod_New(PyObject *callable)
+
+   Create a new :class:`staticmethod` object wrapping *callable*.
+   *callable* must be a callable object and must not be ``NULL``.
+
+   On success, this function returns a :term:`strong reference` to a new static
+   method descriptor. On failure, this function returns ``NULL`` with an
+   exception set.
+
diff --git a/Doc/c-api/function.rst b/Doc/c-api/function.rst
index 0bac638957155e..609b5e885b6b16 100644
--- a/Doc/c-api/function.rst
+++ b/Doc/c-api/function.rst
@@ -102,6 +102,15 @@ There are a few functions specific to Python functions.
    dictionary of arguments or ``NULL``.
 
 
+.. c:function:: int PyFunction_SetKwDefaults(PyObject *op, PyObject *defaults)
+
+   Set the keyword-only argument default values of the function object *op*.
+   *defaults* must be a dictionary of keyword-only arguments or ``Py_None``.
+
+   This function returns ``0`` on success, and returns ``-1`` with an exception
+   set on failure.
+
+
 .. c:function:: PyObject* PyFunction_GetClosure(PyObject *op)
 
    Return the closure associated with the function object *op*. This can be ``NULL``
diff --git a/Doc/library/dis.rst b/Doc/library/dis.rst
index 284eeff5e4dc7e..a24589fd0a5af3 100644
--- a/Doc/library/dis.rst
+++ b/Doc/library/dis.rst
@@ -1673,9 +1673,13 @@ iterations of the loop.
    * ``0x02`` a dictionary of keyword-only parameters' default values
    * ``0x04`` a tuple of strings containing parameters' annotations
    * ``0x08`` a tuple containing cells for free variables, making a closure
+   * ``0x10`` the :term:`annotate function` for the function object
 
    .. versionadded:: 3.13
 
+   .. versionchanged:: 3.14
+      Added ``0x10`` to indicate the annotate function for the function object.
+
 
 .. opcode:: BUILD_SLICE (argc)