diff --git a/aio/content/guide/dependency-injection.md b/aio/content/guide/dependency-injection.md
index d768f46d22..f55bcae6e2 100644
--- a/aio/content/guide/dependency-injection.md
+++ b/aio/content/guide/dependency-injection.md
@@ -162,7 +162,7 @@ Here's the revised component, making use of the injected service, side-by-side w
   </code-pane>
 </code-tabs>
 
-`HeroService` must provided in some parent injector. The code in `HeroListComponent` doesn't depend on where `HeroService` comes from.
+`HeroService` must be provided in some parent injector. The code in `HeroListComponent` doesn't depend on where `HeroService` comes from.
 If you decided to provide `HeroService` in `AppModule`, `HeroListComponent` wouldn't change.
 
 {@a singleton-services}