message: docs: clarify heroes example
  PR Close
diff: @@ -291,7 +291,8 @@ That header is in the `httpOptions` constant defined in the `HeroService`.
  <code-example
  path="toh-pt6/src/app/hero.service.ts"
  - region="http-options">
  + region="http-options"
  + title="src/app/hero.service.ts">
  </code-example>
  Refresh the browser, change a hero name and save your change. Navigating to the previous view is implemented in the `save()` method defined in `HeroDetailComponent`.
  