message: Change description of drop_remainder argument of Dataset method window
  In general, several windows are dropped when drop_remainder is set to True.
diff: @@ -1990,7 +1990,7 @@ name=None))
  stride of the input elements in the sliding window. Must be positive.
  The default value of 1 means "retain every input element".
  drop_remainder: (Optional.) A `tf.bool` scalar `tf.Tensor`, representing
  - whether the last window should be dropped if its size is smaller than
  + whether the last windows should be dropped if their size is smaller than
  `size`.
  Returns:
  