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docs: update to account for CLI changes (#25223) 

This should help clarify the use of providedIn and correct the documentation where it was showing the use of a now depreciated CLI command flag.

I am openly looking for feedback on this change to figure out the best wording.

PR Close #25223
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firrae 2018-08-01 09:28:33 -04:00 committed by Igor Minar
parent bafe1a0d2a
commit 4976a58780
1 changed files with 2 additions and 9 deletions
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aio/content/tutorial/toh-pt4.md
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@ -89,15 +89,8 @@ Registering the provider in the `@Injectable` metadata also allows Angular to op
<div class="alert is-helpful"> <div class="alert is-helpful">
If you need to, you can register providers at different levels: To learn more about providers, see the [Providers section](guide/providers).
in the `HeroesComponent`, in the `AppComponent`, in the `AppModule`. To learn more about injectors, see the [Dependency Injection guide](guide/dependency-injection).
For instance, you could have told the CLI to provide the service at the module level automatically by appending `--module=app`.
<code-example language="sh" class="code-shell">
ng generate service hero --module=app
</code-example>
To learn more about providers and injectors, see the [Dependency Injection guide](guide/dependency-injection).
</div> </div>