diff --git a/adev/src/content/guide/directives/attribute-directives.md b/adev/src/content/guide/directives/attribute-directives.md
index e0720548403..f5af756de71 100644
--- a/adev/src/content/guide/directives/attribute-directives.md
+++ b/adev/src/content/guide/directives/attribute-directives.md
@@ -121,7 +121,7 @@ This section guides you through configuring your application so the developer ca
    <docs-code header="highlight.directive.ts (mouse-enter)" path="adev/src/content/examples/attribute-directives/src/app/highlight.directive.ts" region="mouse-enter"/>
 
 3. To bind to the `AppComponent.color` and fall back to "violet" as the default color, add the following HTML.
-   In this case, the `defaultColor` binding doesn't use square brackets, `[]`, because it is static.
+   In this case, the `defaultColor` binding doesn't use square brackets, `[]`, because the value is a static string, not a dynamic expression.
 
    <docs-code header="app.component.html (defaultColor)" path="adev/src/content/examples/attribute-directives/src/app/app.component.html" region="defaultColor"/>