Small fixes

Author: Adam-Meisen

public/docs/_examples/toh-6/ts/app/heroes.component.css

@@ -58,11 +58,10 @@ button {
 button:hover {
   background-color: #cfd8dc;
 }
-/* #docregion delete-hero */
+/* #docregion additions */
+.error {color:red;}
 button.delete-button{
   float:right;
   background-color: gray !important;
   color:white;
 }
-/* #enddocregion delete-hero */
-/* #enddocregion */

public/docs/ts/latest/tutorial/toh-pt6.jade

@@ -317,10 +317,7 @@ block add-new-hero-via-detail-comp
 +makeExample('app/heroes.component.html', 'delete')
 :marked
   Add the following CSS to the bottom of `heroes.component.css`.
-+makeExample('toh-6/ts/app/heroes.component.css', 'delete-hero', 'app/heroes.component.css (delete)')(format=".")
-:marked
-  Add the following CSS to the bottom of `heroes.component.css`.
-+makeExample('toh-6/ts/app/heroes.component.css', 'delete-hero', 'app/heroes.component.css (delete)')(format=".")
++makeExcerpt('toh-6/ts/app/heroes.component.css', 'additions', '')(format=".")
 :marked
   Now let's fix-up the `HeroesComponent` to support the *add* and *delete* actions used in the template.
   Let's start with *add*.