In the latest rolling release, the nat option is showing the description for openvpn.
Attached images for references.
Tested in the following version:
vyos@vyos:~$ sh ver Version: VyOS 1.3-rolling-202009100118 Release Train: equuleus Built by: [email protected] Built on: Thu 10 Sep 2020 01:18 UTC Build UUID: 5fcaca09-7cc8-47d4-98a6-9855824a9be6 Build Commit ID: 5fbfd67b1a767b Architecture: x86_64 Boot via: installed image System type: KVM guest Hardware vendor: QEMU Hardware model: Standard PC (i440FX + PIIX, 1996) Hardware S/N: Unknown Hardware UUID: Unknown Copyright: VyOS maintainers and contributors vyos@vyos:~$ date Thu 10 Sep 2020 11:59:56 AM UTC
Shows as expected in 1.2.5 and 1.2.6-epa