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docs: fix operator name (#22920)

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PR Close #22920
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Judy Bogart 2018-03-23 10:50:45 -07:00 committed by Alex Rickabaugh
parent 9f7bd8f618
commit 07d33d4e5a
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aio/content/guide/reactive-forms.md
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@ -940,7 +940,7 @@ with that hero's data values.
A refresh button clears the hero list and the current selected hero before refetching the heroes.
Notice that `hero-list.component.ts` imports `Observable` and the `finally` operator, while `hero.service.ts` imports `Observable`, `of` and the `delay` operator from `rxjs`.
Notice that `hero-list.component.ts` imports `Observable` and the `finalize` operator, while `hero.service.ts` imports `Observable`, `of`, and the `delay` operator from `rxjs`.
The remaining `HeroListComponent` and `HeroService` implementation details are beyond the scope of this tutorial.
However, the techniques involved are covered elsewhere in the documentation, including the _Tour of Heroes_