message: Minor grammatical fix in comment
diff: @@ -25,7 +25,7 @@ import six
  from tensorflow.core.protobuf import config_pb2
  -# A list of the property names in RunConfig user allows to change.
  +# A list of the property names in RunConfig that the user is allowed to change.
  _DEFAULT_REPLACEABLE_LIST = [
  'model_dir',
  'tf_random_seed',
  