diff --git a/packages/core/src/metadata/directives.ts b/packages/core/src/metadata/directives.ts
index 92a0e2f9d8e..d8e9fdd3026 100644
--- a/packages/core/src/metadata/directives.ts
+++ b/packages/core/src/metadata/directives.ts
@@ -195,7 +195,7 @@ export interface Directive {
    * ```typescript
    * @Component({
    *   selector: 'child-dir',
-   *   outputs: [ 'bankNameChange' ]
+   *   outputs: [ 'bankNameChange' ],
    *   template: `<input (input)="bankNameChange.emit($event.target.value)" />`
    * })
    * class ChildDir {