message: Update tensorflow/python/keras/activations.py
diff: @@ -204,8 +204,7 @@ def swish(x):
  Swish activation function which returns `x*sigmoid(x)`.
  It is a smooth, non-monotonic function that consistently matches
  or outperforms ReLU on deep networks, it is unbounded above and
  - bounded below & it is the non-monotonic attribute that actually
  - creates the difference.
  + bounded below.
  Example Usage:
  