diff --git a/aio/content/guide/attribute-directives.md b/aio/content/guide/attribute-directives.md
index 7066fc332c..bebee010fd 100644
--- a/aio/content/guide/attribute-directives.md
+++ b/aio/content/guide/attribute-directives.md
@@ -353,7 +353,7 @@ You can also experience and download the <live-example title="Attribute Directiv
 
 ### Appendix: Why add _@Input_?
 
-In this demo, the `hightlightColor` property is an ***input*** property of
+In this demo, the `highlightColor` property is an ***input*** property of
 the `HighlightDirective`. You've seen it applied without an alias:
 
 <code-example path="attribute-directives/src/app/highlight.directive.2.ts" linenums="false" title="src/app/highlight.directive.ts (color)" region="color"></code-example>