diff --git a/contrib/dunst.systemd.service.in b/contrib/dunst.systemd.service.in
index 5224780..61ca237 100644
--- a/contrib/dunst.systemd.service.in
+++ b/contrib/dunst.systemd.service.in
@@ -1,5 +1,6 @@
 [Unit]
 Description=Dunst notification daemon
+Documentation=man:dunst(1)
 
 [Service]
 Type=dbus