message: docs: fix typo in routing section of Tour of Heroes
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diff: @@ -101,7 +101,7 @@ configure it with the `routes` in one step by calling
  ## Add _RouterOutlet_
  -Open the `AppComponent` template replace the `<app-heroes>` element with a `<router-outlet>` element.
  +Open the `AppComponent` template and replace the `<app-heroes>` element with a `<router-outlet>` element.
  <code-example path="toh-pt5/src/app/app.component.html"
  region="outlet"
  