diff --git a/src/ol/structs/lrucache.js b/src/ol/structs/lrucache.js
index e5fecc8d2e..d1b1f3a6c5 100644
--- a/src/ol/structs/lrucache.js
+++ b/src/ol/structs/lrucache.js
@@ -162,7 +162,7 @@ ol.structs.LRUCache.prototype.getKeys = function() {
 
 
 /**
- * @return {Array} Values.
+ * @return {Array.<T>} Values.
  */
 ol.structs.LRUCache.prototype.getValues = function() {
   var values = new Array(this.count_);