message: Update two Wikipedia links
diff: @@ -47,7 +47,7 @@ def hann_window(window_length, periodic=True, dtype=dtypes.float32, name=None):
  Raises:
  ValueError: If `dtype` is not a floating point type.
  - [hann]: https://en.wikipedia.org/wiki/Window_function#Hann_window
  + [hann]: https://en.wikipedia.org/wiki/Window_function#Hann_and_Hamming_windows
  """
  return _raised_cosine_window(name, 'hann_window', window_length, periodic,
  dtype, 0.5, 0.5)
  @@ -72,7 +72,7 @@ def hamming_window(window_length, periodic=True, dtype=dtypes.float32,
  Raises:
  ValueError: If `dtype` is not a floating point type.
  - [hamming]: https://en.wikipedia.org/wiki/Window_function#Hamming_window
  + [hamming]: https://en.wikipedia.org/wiki/Window_function#Hann_and_Hamming_windows
  """
  return _raised_cosine_window(name, 'hamming_window', window_length, periodic,
  dtype, 0.54, 0.46)
  