message: docs(installation): improve installation page
diff: # Installation Instructions
  -Here are different ways you can install RxJs:
  +Here are different ways you can install RxJS:
  ## ES6 via npm
  @@ -8,25 +8,26 @@ Here are different ways you can install RxJs:
  npm install rxjs
  ```
  -To import the entire core set of functionality:
  +To import only what you need:
  -```js
  -import * as rxjs from 'rxjs';
  +```ts
  +import { of } from 'rxjs';
  +import { map } from 'rxjs/operators';
  -rxjs.of(1, 2, 3);
  +of(1, 2, 3).pipe(map(x => x + '!!!')); // etc
  ```
  -To import only what you need using pipeable operators:
  +* See [Pipeable Operators](/guide/v6/pipeable-operators) for more information.
  -```js
  -import { of } from 'rxjs';
  -import { map } from 'rxjs/operators';
  +To import the entire core set of functionality:
  -of(1,2,3).pipe(map(x => x + '!!!')); // etc
  +```ts
  +import * as rxjs from 'rxjs';
  +
  +rxjs.of(1, 2, 3);
  ```
  -* See [Pipeable Operator Documentation](https://github.com/ReactiveX/rxjs/blob/91088dae1df097be2370c73300ffa11b27fd0100/doc/pipeable-operators.md) for more information about pipeable operator.
  -To use with globally imported bundle:
  +To use with a globally imported bundle:
  ```js
  const { of } = rxjs;
  @@ -65,7 +66,7 @@ npm install @reactivex/rxjs@5.0.0-beta.1
  ## CDN
  -For CDN, you can use [unpkg](https://unpkg.com/). Just replace version with the current version on the link below:
  +For CDN, you can use [unpkg](https://unpkg.com/). Just replace *version* with the current version on the link below:
  For RxJS 5.0.0-beta.1 through beta.11: [https://unpkg.com/@reactivex/rxjs@version/dist/global/Rx.umd.js](https://unpkg.com/@reactivex/rxjs@version/dist/global/Rx.umd.js)
  