diff --git a/bus/dbus.service.in b/bus/dbus.service.in
index 1b0bbb2..3bc4726 100644
--- a/bus/dbus.service.in
+++ b/bus/dbus.service.in
@@ -1,5 +1,6 @@
 [Unit]
 Description=D-Bus System Message Bus
+Documentation=man:dbus-daemon(1)
 Requires=dbus.socket
 
 [Service]