message: DOC: Fix documentation for dataset.md
  The code `image = tf.decode_jpeg(parsed["image_data"])` in 738 lines is incorrect. It should be `tf.image.decode_jpeg` instead of `tf.decode_jpeg`.
diff: @@ -735,7 +735,7 @@ def dataset_input_fn():
  parsed = tf.parse_single_example(record, keys_to_features)
  # Perform additional preprocessing on the parsed data.
  - image = tf.decode_jpeg(parsed["image_data"])
  + image = tf.image.decode_jpeg(parsed["image_data"])
  image = tf.reshape(image, [299, 299, 1])
  label = tf.cast(parsed["label"], tf.int32)
  