diff --git a/src/DefinitionList.php b/src/DefinitionList.php
index 47061f3b..345bbc94 100644
--- a/src/DefinitionList.php
+++ b/src/DefinitionList.php
@@ -51,7 +51,7 @@ public function addDefinition(Definition\DefinitionInterface $definition, $addTo
 
     /**
      * @param  string       $type
-     * @return Definition[]
+     * @return Definition\DefinitionInterface[]
      */
     public function getDefinitionsByType($type)
     {