message: Correct documentation typo.
  Fixes
diff: @@ -1844,7 +1844,7 @@ def sparse_softmax_cross_entropy_with_logits(_sentinel=None, # pylint: disable=
  Raises:
  ValueError: If logits are scalars (need to have rank >= 1) or if the rank
  - of the labels is not equal to the rank of the labels minus one.
  + of the labels is not equal to the rank of the logits minus one.
  """
  _ensure_xent_args("sparse_softmax_cross_entropy_with_logits", _sentinel,
  labels, logits)
  