message: Fix make_initializable_iterator comment
diff: @@ -1756,8 +1756,8 @@ def make_initializable_iterator(dataset):
  RuntimeError: If eager execution is enabled.
  """
  try:
  - # Call the defined `make_one_shot_iterator()` if there is one, because some
  - # datasets (e.g. for prefetching) override its behavior.
  + # Call the defined `make_initializable_iterator()` if there is one, because
  + # some datasets (e.g. for prefetching) override its behavior.
  return dataset.make_initializable_iterator()
  except AttributeError:
  return DatasetV1Adapter(dataset).make_initializable_iterator()
  