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docs: fix spelling of 'its' (#30455) 

PR Close #30455
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Stewart Rand 2019-05-14 14:17:35 -03:00 committed by Jason Aden
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aio/content/guide/dependency-injection.md
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@ -143,7 +143,7 @@ Learn more about [where to configure providers](guide/hierarchical-dependency-in
## Injecting services
In order for `HeroListComponent` to get heroes from `HeroService`, it needs to ask for `HeroService` to be injected, rather than creating it's own `HeroService` instance with `new`.
In order for `HeroListComponent` to get heroes from `HeroService`, it needs to ask for `HeroService` to be injected, rather than creating its own `HeroService` instance with `new`.
You can tell Angular to inject a dependency in a component's constructor by specifying a **constructor parameter with the dependency type**. Here's the `HeroListComponent` constructor, asking for the `HeroService` to be injected.