diff --git a/custom_settings.py b/custom_settings.py
index 394113b..c8d82f2 100644
--- a/custom_settings.py
+++ b/custom_settings.py
@@ -1,6 +1,7 @@
 # coding=utf-8
 import os
 
+# Run `docker-compose restart` after changing this file
 
 WEBSITE_INFO = {"website_name": u"example1大学 OnlineJudge",
                 "website_name_shortcut": u"example oj",