message: Fix docs for model_from_config
diff: @@ -31,10 +31,16 @@ except ImportError:
  # pylint: enable=g-import-not-at-top
  -@keras_export('keras.models.model_from_config')
  +@keras_export('keras.models.from_config')
  def model_from_config(config, custom_objects=None):
  """Instantiates a Keras model from its config.
  + Usage:
  + # for a Functional API model
  + >>> tf.keras.Model().from_config(model.get_config())
  + # for a Sequential model
  + >>> tf.keras.Sequential().from_config(model.get_config())
  +
  Arguments:
  config: Configuration dictionary.
  custom_objects: Optional dictionary mapping names
  