message: docs(core): DI module-level info fix
  PR Close
diff: @@ -105,8 +105,8 @@ 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`,
  