message: use a non-markdown NOTE
diff: @@ -2734,7 +2734,7 @@ name=None))
  >>> sorted(list(dataset.as_numpy_iterator()))
  [1, 2, 37]
  - NOTE: This transformation only supports datasets which fit into memory
  + Note: This transformation only supports datasets which fit into memory
  and have elements of either `tf.int32`, `tf.int64` or `tf.string` type.
  Returns:
  