diff --git a/tests/device_struct_test.py b/tests/device_struct_test.py
index 09fbe3c..850ef6f 100644
--- a/tests/device_struct_test.py
+++ b/tests/device_struct_test.py
@@ -1,4 +1,4 @@
-"""Unittest for device builder."""
+"""Unittest for device struct."""
 
 import unittest