message: Fix typo in the documentation of tf.function
  "`add_noise()` will return a different output every time it is invoked. However, `add_noise` will return the same value every time it is called..."
  => the second `add_noise` should be `traced`
diff: @@ -765,7 +765,7 @@ def function(func=None,
  ```
  `add_noise()` will return a different output every time it is invoked.
  - However, `add_noise` will return the same value every time it is called,
  + However, `traced()` will return the same value every time it is called,
  since a particular random value generated by the `np.random.randn` call will
  be inserted in the traced/staged TensorFlow graph as a constant. In this
  particular example, replacing `np.random.randn(5, 5)` with
  