From: Boian Bonev <bbonev@ipacct.com>
Date: Tue May 16 00:01:56 2023 +0000
Subject: add documentation

A simple man page reference
--- a/systemd/gpsd.service.in
+++ b/systemd/gpsd.service.in
@@ -1,5 +1,6 @@
 [Unit]
 Description=GPS (Global Positioning System) Daemon
+Documentation=man:gpsd
 Requires=gpsd.socket
 # Needed with chrony SOCK refclock
 After=chronyd.service
--- a/systemd/gpsdctl@.service.in
+++ b/systemd/gpsdctl@.service.in
@@ -1,5 +1,6 @@
 [Unit]
 Description=Manage %I for GPS daemon
+Documentation=man:gpsd
 Requires=gpsd.socket
 BindsTo=dev-%i.device
 After=dev-%i.device