diff --git a/mytinytodo.subfolder.conf.example b/mytinytodo.subfolder.conf.example
index b302270..c03d7a6 100644
--- a/mytinytodo.subfolder.conf.example
+++ b/mytinytodo.subfolder.conf.example
@@ -1,3 +1,4 @@
+# works with https://github.com/breakall/mytinytodo-docker
 # set the mtt_url config in db/config.php
 
 location ^~ /todo {