diff --git a/etc/report_generator5.py b/etc/report_generator5.py
index 89f8b64..353def4 100644
--- a/etc/report_generator5.py
+++ b/etc/report_generator5.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+# HTML5
 import os
 import re
 import sys