diff --git a/addon-test-support/@ember/test-helpers/dom/trigger-event.ts b/addon-test-support/@ember/test-helpers/dom/trigger-event.ts
index 25e590523..175d2154a 100644
--- a/addon-test-support/@ember/test-helpers/dom/trigger-event.ts
+++ b/addon-test-support/@ember/test-helpers/dom/trigger-event.ts
@@ -53,6 +53,23 @@ registerHook('triggerEvent', 'start', (target: Target, eventType: string) => {
  *     }
  *   }
  * )
+ *
+ *
+ * @example
+ * <caption>
+ * Using `triggerEvent` to simulate a mouseleave event
+ *
+ * `triggerEvent` provides a way to to trigger any [Event](https://developer.mozilla.org/en-US/docs/Web/API/Event)
+ * The `options` param can contain any sub set of properties from each of the Event sub-types.
+ * If supplied, the `options.relatedTarget` has to be an HTML `Element`.
+ * </caption>
+ *
+ * const target = find('#zone')
+ * triggerEvent(
+ *   target,
+ *   'mouseleave',
+ *   { relatedTarget: target }
+ * )
  */
 export default function triggerEvent(
   target: Target,