message: fixed grammar in experimental enumerate_ops
diff: @@ -26,9 +26,9 @@ from tensorflow.python.util.tf_export import tf_export
  @tf_export("data.experimental.enumerate_dataset")
  def enumerate_dataset(start=0):
  - """A transformation that enumerate the elements of a dataset.
  + """A transformation that enumerates the elements of a dataset.
  - It is Similar to python's `enumerate`.
  + It is similar to python's `enumerate`.
  For example:
  ```python
  