`allow instance' is invalid, that is the `{...}' is mandatory. OK?
Index: vm.conf.5 =================================================================== RCS file: /cvs/src/usr.sbin/vmd/vm.conf.5,v retrieving revision 1.46 diff -u -p -r1.46 vm.conf.5 --- vm.conf.5 13 Dec 2019 07:03:46 -0000 1.46 +++ vm.conf.5 14 Dec 2019 00:23:32 -0000 @@ -147,7 +147,7 @@ Typically this is a hostname. .Pp Followed by a block of parameters that is enclosed in curly brackets: .Bl -tag -width Ds -.It Cm allow instance Op Brq ... +.It Cm allow instance Brq ... Set the permissions to create VM instances. See .Sx VM INSTANCES . @@ -327,7 +327,7 @@ The allowed instance options are configu .Ar parent VM: .Bl -tag -width Ds -.It Cm allow instance Op Brq ... +.It Cm allow instance Brq ... Allow users to use this VM as a template for VM instances. By default, the root user can always create instances without restrictions and users or non-root owners cannot create instances.