message: Fix a typo in deprecation instructions.
diff: @@ -299,7 +299,7 @@ class Flatten(keras_layers.Flatten, base.Layer):
  @deprecation.deprecated(
  date=None,
  - instructions='Use keras.layers.flatten instead.')
  + instructions='Use keras.layers.Flatten instead.')
  @tf_export(v1=['layers.flatten'])
  def flatten(inputs, name=None, data_format='channels_last'):
  """Flattens an input tensor while preserving the batch axis (axis 0).
  