diff --git a/tests/PayPal/Test/Common/ArrayClass.php b/tests/PayPal/Test/Common/ArrayClass.php
index 2b589c2..15faf11 100644
--- a/tests/PayPal/Test/Common/ArrayClass.php
+++ b/tests/PayPal/Test/Common/ArrayClass.php
@@ -34,6 +34,9 @@ class ArrayClass extends PayPalModel
         $this->tags = $tags;
     }
 
+    /**
+     * @return array
+     */
     public function getTags()
     {
         return $this->tags;