message: Improve docstring formatting
diff: @@ -1212,7 +1212,7 @@ class DatasetV2(tracking_base.Trackable, composite_tensor.CompositeTensor):
  the cache file is removed or the filename is changed.
  >>> dataset = tf.data.Dataset.range(5)
  - >>> dataset = dataset.cache("/path/to/file) # doctest: +SKIP
  + >>> dataset = dataset.cache("/path/to/file") # doctest: +SKIP
  >>> list(dataset.as_numpy_iterator()) # doctest: +SKIP
  [0, 1, 2, 3, 4]
  >>> dataset = tf.data.Dataset.range(10)
  