diff --git a/src/operator/map.ts b/src/operator/map.ts
index 132515a7ca..cf49b6b776 100644
--- a/src/operator/map.ts
+++ b/src/operator/map.ts
@@ -16,7 +16,7 @@ import { Observable } from '../Observable';
  * applies a projection to each value and emits that projection in the output
  * Observable.
  *
- * @example <caption>Map every every click to the clientX position of that click</caption>
+ * @example <caption>Map every click to the clientX position of that click</caption>
  * var clicks = Rx.Observable.fromEvent(document, 'click');
  * var positions = clicks.map(ev => ev.clientX);
  * positions.subscribe(x => console.log(x));