diff --git a/aio/content/guide/testing.md b/aio/content/guide/testing.md
index 9dfc7f8e35..a8e87ecdf9 100644
--- a/aio/content/guide/testing.md
+++ b/aio/content/guide/testing.md
@@ -346,7 +346,7 @@ It appears within the template of a parent component,
 which binds a _hero_ to the `@Input` property and
 listens for an event raised through the _selected_ `@Output` property.
 
-You can test that the class code works without creating the the `DashboardHeroComponent`
+You can test that the class code works without creating the `DashboardHeroComponent`
 or its parent component.
 
 <code-example