diff --git a/modules/angular2/src/core/metadata/directives.ts b/modules/angular2/src/core/metadata/directives.ts
index 0097883d31..1f8473b32c 100644
--- a/modules/angular2/src/core/metadata/directives.ts
+++ b/modules/angular2/src/core/metadata/directives.ts
@@ -532,7 +532,7 @@ export class DirectiveMetadata extends InjectableMetadata {
    * Specifies which DOM events a directive listens to via a set of `(event)` to `method`
    * key-value pairs:
    *
-   * - `event1`: the DOM event that the directive listens to.
+   * - `event`: the DOM event that the directive listens to.
    * - `statement`: the statement to execute when the event occurs.
    * If the evaluation of the statement returns `false`, then `preventDefault`is applied on the DOM
    * event.