diff --git a/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php b/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
index f4c316e3d449fd4f1845555133c81dd7841bc521..94a10d064903e15a41bd74c4f818fb03acf94d2a 100644
--- a/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
+++ b/module/VuFindSearch/src/VuFindSearch/Feature/SimilarInterface.php
@@ -47,7 +47,7 @@ interface SimilarInterface
      * @param string   $id     Id of record to compare with
      * @param ParamBag $params Search backend parameters
      *
-     * @return RecordCollectionInterface
+     * @return \VuFindSearch\Response\RecordCollectionInterface
      */
     public function similar($id, ParamBag $params = null);
 }