diff --git a/lib/player.js b/lib/player.js
index 3158eb89a..54245edc9 100644
--- a/lib/player.js
+++ b/lib/player.js
@@ -121,6 +121,7 @@ goog.requireType('shaka.media.PresentationTimeline');
 /**
  * @event shaka.Player.DownloadFailed
  * @description Fired when a download has failed, for any reason.
+ * @property {string} type
  *   'downloadfailed'
  * @property {!shaka.extern.Request} request
  * @property {?shaka.util.Error} error