diff --git a/tests/DummyMessages.php b/tests/DummyMessages.php
index 2891e33..30df69b 100644
--- a/tests/DummyMessages.php
+++ b/tests/DummyMessages.php
@@ -1,5 +1,7 @@
 <?php
 
+// this file is currently only used to analyze the data structure of MediaConvert's responses
+
 namespace Meema\MediaConverter\Tests;
 
 class DummyMessages