diff --git a/src/ol/geolocation.js b/src/ol/geolocation.js
index bb3e3ef6ae..4df93e2479 100644
--- a/src/ol/geolocation.js
+++ b/src/ol/geolocation.js
@@ -256,7 +256,7 @@ goog.exportProperty(
 
 
 /**
- * @return {GeolocationPositionOptions|undefined} tracking options.
+ * @return {GeolocationPositionOptions|undefined} Tracking options.
  */
 ol.Geolocation.prototype.getTrackingOptions = function() {
   return /** @type {GeolocationPositionOptions} */ (