message: further typo corrections
diff: @@ -193,7 +193,7 @@ def relu(x, alpha=0., max_value=None, threshold=0):
  Modifying default parameters allows you to use non-zero thresholds,
  change the max value of the activation,
  - and to user non-zero multiple of the input for values below the threshold.
  + and to use a non-zero multiple of the input for values below the threshold.
  For example:
  >>> foo = tf.constant([-10, -5, 0.0, 5, 10], dtype = tf.float32)
  