message: Improve decorators doc
  add an example to explain how to using decorators
diff: @@ -173,7 +173,11 @@ If you are using [Babel](http://babeljs.io) to transpile your JavaScript files,
  ### Without decorators
  -You can use `Inject` and `Injectable` as regular functions to wrap your arguments and classes from `tslib
  +You can use `Inject` and `Injectable` as regular functions to wrap your arguments and classes from `tslib`
  +
  +```js
  +module.exports = Injectable({...})(MyProvider);
  +```
  ## Testing Environment
  