OpenSUSE adds this to their service file

Signed-off-by: Cole Robinson <crobinso@redhat.com>
---
 contrib/systemd/qemu-guest-agent.service | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contrib/systemd/qemu-guest-agent.service b/contrib/systemd/qemu-guest-agent.service
index 59f7ecb1b8..7e1c50577b 100644
--- a/contrib/systemd/qemu-guest-agent.service
+++ b/contrib/systemd/qemu-guest-agent.service
@@ -1,5 +1,6 @@
 [Unit]
 Description=QEMU Guest Agent
+Documentation=https://wiki.qemu.org/Features/GuestAgent
 BindsTo=dev-virtio\x2dports-org.qemu.guest_agent.0.device
 After=dev-virtio\x2dports-org.qemu.guest_agent.0.device
 
-- 
2.31.1