post-review edit

Author: chalin

public/docs/ts/latest/guide/hierarchical-dependency-injection.jade

@@ -96,7 +96,7 @@ figure.image-display
 +makeExcerpt('src/app/villains-list.component.ts (metadata)')
 
 :marked
-  By providing `VillainsService` in the `VillainsListComponent` metadata — and nowhere else —
+  By providing `VillainsService` in the `VillainsListComponent` metadata and nowhere else,
   the service becomes available only in the `VillainsListComponent` and its sub-component tree.
   It's still a singleton, but it's a singleton that exist solely in the _villain_ domain.