gh-56499: Update the pickle library's note section for the __setstate__ function (GH-101062)

furkanonder · web-flow · commit d5a30a1777f0 · 2024-02-17T10:51:43.000Z
diff --git a/Doc/library/pickle.rst b/Doc/library/pickle.rst
@@ -653,8 +653,8 @@ methods:
 
    .. note::
 
-      If :meth:`__getstate__` returns a false value, the :meth:`__setstate__`
-      method will not be called upon unpickling.
+      If :meth:`__reduce__` returns a state with value ``None`` at pickling,
+      the :meth:`__setstate__` method will not be called upon unpickling.
 
 
 Refer to the section :ref:`pickle-state` for more information about how to use
