diff --git a/subfiles/README.md b/subfiles/README.md
index afb9e65e7f..4c0f8c7904 100644
--- a/subfiles/README.md
+++ b/subfiles/README.md
@@ -53,6 +53,7 @@
 - [PEOPLE.md](../PEOPLE.md)
   - [Twitter](people.twitter.md)
   - [Mastodon](people.mastodon.md)
+- [About Ss](service.sercxi.md)
 - [Name Servers on the Internet](nameservers_internet.md)
 - [Cloudflare attracts "repeat infringers"](repeat_infringers_love_cloudflare.md)
 - [Change default DNS provider of Firefox](change-firefox-dns.md)