message: docs: clarify when the `ngDoBootstrap` hook is invoked
  Closes
  PR Close
diff: @@ -11,8 +11,8 @@ import {ApplicationRef} from '../application_ref';
  /**
  * @description
  - * Hook for manual bootstrapping of the application instead of using bootstrap array in @NgModule
  - * annotation.
  + * Hook for manual bootstrapping of the application instead of using `bootstrap` array in @NgModule
  + * annotation. This hook is invoked only when the `bootstrap` array is empty or not provided.
  *
  * Reference to the current application is provided as a parameter.
  *
  