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docs(core): DI module-level info fix #29756

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docs(core): DI module-level info fix #29756

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6 changes: 3 additions & 3 deletions aio/content/guide/hierarchical-dependency-injection.md
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Expand Up @@ -105,11 +105,11 @@ and leave it up to the app whether to provide the service.

### @NgModule-level injectors

You can configure a provider at the module level using the `providedIn` metadata option for a non-root NgModule, in order to limit the scope of the provider to that module.
This is the equivalent of specifying the non-root module in the `@Injectable()` metadata, except that the service provided this way is not tree-shakable.
You can configure a provider at the module level using the `providers` metadata option for a non-root NgModule, in order to limit the scope of the provider to that module.
This is the equivalent of specifying the non-root module in the `@Injectable()` metadata, except that the service provided via `providers` is not tree-shakable.

You generally don't need to specify `AppModule` with `providedIn`, because the app's `root` injector is the `AppModule` injector.
However, if you configure a app-wide provider in the`@NgModule()` metadata for `AppModule`,
However, if you configure a app-wide provider in the `@NgModule()` metadata for `AppModule`,
it overrides one configured for `root` in the `@Injectable()` metadata.
You can do this to configure a non-default provider of a service that is shared with multiple apps.

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