diff --git a/tests/Composer/Test/Script/EventTest.php b/tests/Composer/Test/Script/EventTest.php
index 6a4c3b678..8ef3c916b 100644
--- a/tests/Composer/Test/Script/EventTest.php
+++ b/tests/Composer/Test/Script/EventTest.php
@@ -68,6 +68,9 @@ class EventTest extends TestCase
         );
     }
 
+    /**
+     * @return Composer
+     */
     private function createComposerInstance()
     {
         $composer = new Composer;