diff --git a/aio/content/tutorial/toh-pt4.md b/aio/content/tutorial/toh-pt4.md
index 6223933b46..64de5949bb 100644
--- a/aio/content/tutorial/toh-pt4.md
+++ b/aio/content/tutorial/toh-pt4.md
@@ -121,7 +121,7 @@ Import the `HeroService` instead.
 <code-example path="toh-pt4/src/app/heroes/heroes.component.ts" title="src/app/heroes/heroes.component.ts (import HeroService)" region="hero-service-import">
 </code-example>
 
-Replace the the definition of the `heroes` property with a simple declaration.
+Replace the definition of the `heroes` property with a simple declaration.
 
 <code-example path="toh-pt4/src/app/heroes/heroes.component.ts" region="heroes">
 </code-example>