diff --git a/externs/olx.js b/externs/olx.js
index bfab788438..779eaf3b55 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -3827,7 +3827,7 @@ olx.source.KMLOptions.prototype.urls;
 /**
  * @typedef {{layer: string,
  *     tileLoadFunction: (ol.TileLoadFunctionType|undefined)}}
- * @api
+ * @api stable
  */
 olx.source.MapQuestOptions;
 
diff --git a/src/ol/source/mapquestsource.js b/src/ol/source/mapquestsource.js
index b3ce087555..3324e57fbf 100644
--- a/src/ol/source/mapquestsource.js
+++ b/src/ol/source/mapquestsource.js
@@ -15,7 +15,7 @@ goog.require('ol.source.XYZ');
  * @constructor
  * @extends {ol.source.XYZ}
  * @param {olx.source.MapQuestOptions=} opt_options MapQuest options.
- * @api
+ * @api stable
  */
 ol.source.MapQuest = function(opt_options) {