message: Fixed typo in DynamicRnnEstimator __init__ documentation.
diff: @@ -639,7 +639,7 @@ class DynamicRnnEstimator(estimator.Estimator):
  ValueError: `problem_type` is not one of
  `ProblemType.LINEAR_REGRESSION` or `ProblemType.CLASSIFICATION`.
  ValueError: `problem_type` is `ProblemType.CLASSIFICATION` but
  - `num_classes` is not specifieProblemType
  + `num_classes` is not specified.
  ValueError: `prediction_type` is not one of
  `PredictionType.MULTIPLE_VALUE` or `PredictionType.SINGLE_VALUE`.
  """
  