docs/man: Use the proper section tag in openvpn3-systemd.8

Signed-off-by: David Sommerseth <[email protected]>

Author: dsommers

docs/man/openvpn3-systemd.8.rst

@@ -6,7 +6,7 @@ openvpn3-systemd
 OpenVPN 3 Linux - systemd service integration
 ---------------------------------------------
 
-:Manual section: 1
+:Manual section: 8
 :Manual group: OpenVPN 3 Linux
 
 SYNOPSIS