diff --git a/aio/content/guide/hierarchical-dependency-injection.md b/aio/content/guide/hierarchical-dependency-injection.md
index b74c1660fd6..423fe0b1fcb 100644
--- a/aio/content/guide/hierarchical-dependency-injection.md
+++ b/aio/content/guide/hierarchical-dependency-injection.md
@@ -736,7 +736,7 @@ The example application uses `@Optional()` so the application does not throw an
 The `<app-child>` currently provides the `AnimalService` in the `viewProviders` array with the value of dog <code>&#x1F436;</code>.
 Because the injector has only to look at the `ElementInjector` of the `<app-child>` for the `AnimalService`, it never sees the whale <code>&#x1F433;</code>.
 
-As in the `FlowerService` example, if you add `@SkipSelf()` to the constructor for the `AnimalService`, the injector won't look in the  `ElementInjector` oh the current `<app-child>` for the `AnimalService`.
+As in the `FlowerService` example, if you add `@SkipSelf()` to the constructor for the `AnimalService`, the injector won't look in the  `ElementInjector` or the current `<app-child>` for the `AnimalService`.
 
 <code-example format="typescript" language="typescript">