List what classes from importlib.machinery don't work with importlib.util.LazyLoader
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index 23432e1..43b34e9 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -1273,7 +1273,8 @@
:meth:`~importlib.abc.Loader.exec_module` as control over what module type
is used for the module is required. For those same reasons, the loader's
:meth:`~importlib.abc.Loader.create_module` method will be ignored (i.e., the
- loader's method should only return ``None``). Finally,
+ loader's method should only return ``None``; this excludes
+ :class:`BuiltinImporter` and :class:`ExtensionFileLoader`). Finally,
modules which substitute the object placed into :attr:`sys.modules` will
not work as there is no way to properly replace the module references
throughout the interpreter safely; :exc:`ValueError` is raised if such a