diff --git a/data/NetworkManager-wait-online-systemd-pre200.service.in b/data/NetworkManager-wait-online-systemd-pre200.service.in
index f3de72a81b..55e4508c8e 100644
--- a/data/NetworkManager-wait-online-systemd-pre200.service.in
+++ b/data/NetworkManager-wait-online-systemd-pre200.service.in
@@ -1,5 +1,6 @@
 [Unit]
 Description=Network Manager Wait Online
+Documentation=man:nm-online(1)
 Requisite=NetworkManager.service
 After=NetworkManager.service
 Wants=network.target
diff --git a/data/NetworkManager-wait-online.service.in b/data/NetworkManager-wait-online.service.in
index add98c8505..1753d2039e 100644
--- a/data/NetworkManager-wait-online.service.in
+++ b/data/NetworkManager-wait-online.service.in
@@ -1,5 +1,6 @@
 [Unit]
 Description=Network Manager Wait Online
+Documentation=man:nm-online(1)
 Requisite=NetworkManager.service
 After=NetworkManager.service
 Before=network-online.target
diff --git a/data/NetworkManager.service.in b/data/NetworkManager.service.in
index e37ed7dda5..95128a68b5 100644
--- a/data/NetworkManager.service.in
+++ b/data/NetworkManager.service.in
@@ -1,5 +1,6 @@
 [Unit]
 Description=Network Manager
+Documentation=man:NetworkManager(8)
 Wants=network.target
 After=network-pre.target dbus.service
 Before=network.target @DISTRO_NETWORK_SERVICE@