diff --git a/externs/olx.js b/externs/olx.js
index 2ca101adcd..712b21b8d7 100644
--- a/externs/olx.js
+++ b/externs/olx.js
@@ -4465,7 +4465,7 @@ olx.source.ServerVectorOptions.prototype.projection;
  * @typedef {{crossOrigin: (null|string|undefined),
  *     tileLoadFunction: (ol.TileLoadFunctionType|undefined),
  *     url: string}}
- * @api
+ * @api stable
  */
 olx.source.TileJSONOptions;
 
diff --git a/src/ol/source/tilejsonsource.js b/src/ol/source/tilejsonsource.js
index a9a623d601..0c4b4a6d5d 100644
--- a/src/ol/source/tilejsonsource.js
+++ b/src/ol/source/tilejsonsource.js
@@ -28,7 +28,7 @@ goog.require('ol.tilegrid.XYZ');
  * @constructor
  * @extends {ol.source.TileImage}
  * @param {olx.source.TileJSONOptions} options TileJSON options.
- * @api
+ * @api stable
  */
 ol.source.TileJSON = function(options) {