diff --git a/distro/systemd/Makefile.am b/distro/systemd/Makefile.am
index 7e8f4753..d1c903f2 100644
--- a/distro/systemd/Makefile.am
+++ b/distro/systemd/Makefile.am
@@ -9,7 +9,10 @@
 #
 
 %.service: %.service.in Makefile
-	$(AM_V_GEN)sed -e 's|\@sbindir\@|$(sbindir)|' \
+	$(AM_V_GEN)sed \
+		-e 's|\@OPENVPN_VERSION_MAJOR\@|$(OPENVPN_VERSION_MAJOR)|g' \
+		-e 's|\@OPENVPN_VERSION_MINOR\@|$(OPENVPN_VERSION_MINOR)|g' \
+		-e 's|\@sbindir\@|$(sbindir)|g' \
 		$< > $@.tmp && mv $@.tmp $@
 
 EXTRA_DIST = \
diff --git a/distro/systemd/openvpn-client@.service.in b/distro/systemd/openvpn-client@.service.in
index 8e18629b..ae62e8c7 100644
--- a/distro/systemd/openvpn-client@.service.in
+++ b/distro/systemd/openvpn-client@.service.in
@@ -3,7 +3,7 @@ Description=OpenVPN tunnel for %I
 After=network-online.target
 Wants=network-online.target
 Documentation=man:openvpn(8)
-Documentation=https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage
+Documentation=https://openvpn.net/community-resources/reference-manual-for-openvpn-@OPENVPN_VERSION_MAJOR@-@OPENVPN_VERSION_MINOR@/
 Documentation=https://community.openvpn.net/openvpn/wiki/HOWTO
 
 [Service]
diff --git a/distro/systemd/openvpn-server@.service.in b/distro/systemd/openvpn-server@.service.in
index 8752440f..5123e072 100644
--- a/distro/systemd/openvpn-server@.service.in
+++ b/distro/systemd/openvpn-server@.service.in
@@ -3,7 +3,7 @@ Description=OpenVPN service for %I
 After=network-online.target
 Wants=network-online.target
 Documentation=man:openvpn(8)
-Documentation=https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage
+Documentation=https://openvpn.net/community-resources/reference-manual-for-openvpn-@OPENVPN_VERSION_MAJOR@-@OPENVPN_VERSION_MINOR@/
 Documentation=https://community.openvpn.net/openvpn/wiki/HOWTO
 
 [Service]