Issue #21245: updated documentation on exception() method and function.

Doc/library/logging.rst

@@ -250,7 +250,7 @@ is the module's name in the Python package namespace.
    interpreted as for :meth:`debug`.
 
 
-.. method:: Logger.exception(msg, *args)
+.. method:: Logger.exception(msg, *args, **kwargs)
 
    Logs a message with level :const:`ERROR` on this logger. The arguments are
    interpreted as for :meth:`debug`. Exception info is added to the logging
@@ -992,7 +992,7 @@ functions.
    are interpreted as for :func:`debug`.
 
 
-.. function:: exception(msg, *args)
+.. function:: exception(msg, *args, **kwargs)
 
    Logs a message with level :const:`ERROR` on the root logger. The arguments are
    interpreted as for :func:`debug`. Exception info is added to the logging