message: Fix formatting of rsqrt example.
diff: @@ -11,6 +11,7 @@ op {
  I.e., \\(y = 1 / \sqrt{x}\\).
  Example:
  +
  >>> x = tf.constant([2., 0., -2.])
  >>> tf.math.rsqrt(x)
  <tf.Tensor: shape=(3,), dtype=float32, numpy=array([0.70710677, inf, nan], dtype=float32)>
  