message: (Minor) For smart reply, add some word about custom ops.
diff: @@ -21,7 +21,8 @@ Android example</a>
  Read the
  [GitHub page](https://github.com/tensorflow/examples/tree/master/lite/examples/smart_reply/android/)
  -to learn how the app works.
  +to learn how the app works. Inside this project, you will also learn how to
  +build an app with custom C++ ops.
  ## How it works
  