diff --git a/externs/olx.js b/externs/olx.js
index 5663f0df80..6099abe4d3 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -10,7 +10,7 @@ var olx;
 /**
  * @typedef {{html: string,
  *     tileRanges: (Object.<string, Array.<ol.TileRange>>|undefined)}}
- * @api
+ * @api stable
  */
 olx.AttributionOptions;
 
diff --git a/src/ol/control/attributioncontrol.js b/src/ol/control/attributioncontrol.js
index 6239585d5d..5bd041f3fb 100644
--- a/src/ol/control/attributioncontrol.js
+++ b/src/ol/control/attributioncontrol.js
@@ -26,7 +26,7 @@ goog.require('ol.pointer.PointerEventHandler');
  * @constructor
  * @extends {ol.control.Control}
  * @param {olx.control.AttributionOptions=} opt_options Attribution options.
- * @api
+ * @api stable
  */
 ol.control.Attribution = function(opt_options) {
 
@@ -362,7 +362,7 @@ ol.control.Attribution.prototype.handleToggle_ = function() {
 
 /**
  * @return {boolean} True if the widget is collapsible.
- * @api
+ * @api stable
  */
 ol.control.Attribution.prototype.getCollapsible = function() {
   return this.collapsible_;
@@ -371,7 +371,7 @@ ol.control.Attribution.prototype.getCollapsible = function() {
 
 /**
  * @param {boolean} collapsible True if the widget is collapsible.
- * @api
+ * @api stable
  */
 ol.control.Attribution.prototype.setCollapsible = function(collapsible) {
   if (this.collapsible_ === collapsible) {
@@ -387,7 +387,7 @@ ol.control.Attribution.prototype.setCollapsible = function(collapsible) {
 
 /**
  * @param {boolean} collapsed True if the widget is collapsed.
- * @api
+ * @api stable
  */
 ol.control.Attribution.prototype.setCollapsed = function(collapsed) {
   if (!this.collapsible_ || this.collapsed_ === collapsed) {
@@ -399,7 +399,7 @@ ol.control.Attribution.prototype.setCollapsed = function(collapsed) {
 
 /**
  * @return {boolean} True if the widget is collapsed.
- * @api
+ * @api stable
  */
 ol.control.Attribution.prototype.getCollapsed = function() {
   return this.collapsed_;