Fortigate HA and basic OSPF configuration

Hello, I am a new user on fortigate and I am working on setting up OSPF on 2 fortigate 200D in HA Active/Passive mode. The fortigate are connected to our HQ subnet which is composed by several /24 vlans. The vlans gateway are hosted by the fortigates. The HQ global network is 10.0.0.0/12. The fortigate are also connected to our remote datacenter. The aim is to advertise the HQ subnet to our remote datacenter and to receive back route information from the datacenter router. On the fortigate we have configured OSPF below: config router ospf     set auto-cost-ref-bandwidth 100000     set router-id 10.6.100.1     set restart-mode graceful-restart     config area         edit 0.0.0.0         next     end     config ospf-interface         edit "Datacenter"             set interface "Port14"             set ip x.y.z.t             set cost 100             set priority 2             set dead-interval 40             set hello-interval 10         next     end     config network         edit 1             set prefix x.y.z.t 255.255.255.252         next     end     config redistribute "connected"     end     config redistribute "static"     end     config redistribute "rip"     end     config redistribute "bgp"     end     config redistribute "isis"     end end     Do we just need to configure the HQ subnet on config network in order to announce the subnet on the OSPF area, or do we have anything else to do ? Thanks for your help!