message: docs(shareReplay): rename variable in example
  Closes
diff: @@ -24,12 +24,12 @@ import { Subscriber } from '../Subscriber';
  * ## Example
  * ```javascript
  * const obs$ = interval(1000);
  - * const subscription = obs$.pipe(
  + * const shared$ = obs$.pipe(
  * take(4),
  * shareReplay(3)
  * );
  - * subscription.subscribe(x => console.log('source A: ', x));
  - * subscription.subscribe(y => console.log('source B: ', y));
  + * shared$.subscribe(x => console.log('source A: ', x));
  + * shared$.subscribe(y => console.log('source B: ', y));
  *
  * ```
  *
  