message: docs: fix tutorial indicating the app is working when an error is actually displayed
  PR Close
diff: @@ -48,7 +48,7 @@ Make it look like this:
  <code-example path="toh-pt2/src/app/heroes/heroes.component.1.html" region="list" header="heroes.component.html (heroes template)"></code-example>
  -That shows one hero. To list them all, add an `*ngFor` to the `<li>` to iterate through the list of heroes:
  +That displays an error since the property 'hero' does not exist. To have access to each individual hero and list them all, add an `*ngFor` to the `<li>` to iterate through the list of heroes:
  <code-example path="toh-pt2/src/app/heroes/heroes.component.1.html" region="li">
  </code-example>
  