message: docs(aio): fix toh-pt3 typos
  PR Close
diff: @@ -10,7 +10,7 @@ In this page, you'll take the first step in that direction by moving the hero de
  The `HeroesComponent` will only present the list of heroes.
  The `HeroDetailsComponent` will present details of a selected hero.
  -## Make the _HeroDetailComponent_
  +## Make the `HeroDetailComponent`
  Use the Angular CLI to generate a new component named `hero-detail`.
  @@ -34,7 +34,7 @@ When you're done, the `HeroDetailComponent` template should look like this:
  </code-example>
  -### Add the *@Input() hero* property
  +### Add the `@Input()` hero property
  The `HeroDetailComponent` template binds to the component's `hero` property
  which is of type `Hero`.
  @@ -67,7 +67,7 @@ That's the only change you should make to the `HeroDetailComponent` class.
  There are no more properties. There's no presentation logic.
  This component simply receives a hero object through its `hero` property and displays it.
  -## Show the _HeroDetailComponent_
  +## Show the `HeroDetailComponent`
  The `HeroesComponent` is still a master/detail view.
  @@ -82,14 +82,14 @@ You won't change the `HeroesComponent` _class_ but you will change its _template
  {@a heroes-component-template}
  -### Update the _HeroesComponent_ template
  +### Update the `HeroesComponent` template
  The `HeroDetailComponent` selector is `'app-hero-detail'`.
  Add an `<app-hero-detail>` element near the bottom of the `HeroesComponent` template, where the hero detail view used to be.
  Bind the `HeroesComponent.selectedHero` to the element's `hero` property like this.
  -<code-example path="toh-pt3/src/app/heroes/heroes.component.html" region="hero-detail-binding" title="hero-detail.component.html (HeroDetail binding)">
  +<code-example path="toh-pt3/src/app/heroes/heroes.component.html" region="hero-detail-binding" title="heroes.component.html (HeroDetail binding)">
  </code-example>
  @@ -139,7 +139,7 @@ Here are the code files discussed on this page and your app should look like thi
  <code-pane title="src/app/hero-detail/hero-detail.component.html" path="toh-pt3/src/app/hero-detail/hero-detail.component.html">
  </code-pane>
  - <code-pane title="src/app/heroes/heroes-component.html" path="toh-pt3/src/app/heroes/heroes.component.html">
  + <code-pane title="src/app/heroes/heroes.component.html" path="toh-pt3/src/app/heroes/heroes.component.html">
  </code-pane>
  </code-tabs>
  