diff --git a/docs/setup/reverse-proxy.md b/docs/setup/reverse-proxy.md
index e1bb8b4cd..0f419a497 100644
--- a/docs/setup/reverse-proxy.md
+++ b/docs/setup/reverse-proxy.md
@@ -29,6 +29,10 @@ http:
         # OR bind on a Unix domain socket
         #- socket: /var/run/mas.sock
 
+        # OR bind on a systemd socket
+        #- fd: 0
+        #  kind: tcp # or unix
+
       # Optional: use the PROXY protocol
       #proxy_protocol: true
 ```