message: Tweaks and adds examples to docstring of tf.math.erf
diff: @@ -7,4 +7,13 @@ op {
  name: "erf"
  deprecation_version: 2
  }
  + description: <<END
  +For example:
  +
  +>>> tf.math.erf([[1.0, 2.0, 3.0], [0.0, -1.0, -2.0]])
  +<tf.Tensor: shape=(2, 3), dtype=float32, numpy=
  +array([[ 0.8427007, 0.9953223, 0.999978 ],
  + [ 0. , -0.8427007, -0.9953223]], dtype=float32)>
  +
  +END
  }
  