Issue #15767: Use ModuleNotFoundError.
diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index 5644410..25fb29c 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -306,6 +306,13 @@
:mod:`warnings` module and the :option:`-W` option in the command line
documentation. There is no C API for warning control.
+.. c:function:: PyObject* PyErr_SetImportErrorSubclass(PyObject *msg, PyObject *name, PyObject *path)
+
+ Much like :c:func:`PyErr_SetImportError` but this function allows for
+ specifying a subclass of :exc:`ImportError` to raise.
+
+ .. versionadded:: 3.4
+
.. c:function:: int PyErr_WarnExplicitObject(PyObject *category, PyObject *message, PyObject *filename, int lineno, PyObject *module, PyObject *registry)