Fix non-version text after .Fx macro usage.
MFC r269487 (by issyl0):
Add generic list, status, load and unload docs to gpart(8)
- In the style of gmirror(8).
PR: docs/191534
MFC r269852:
Add sysctl and loader tunable kern.geom.part.mbr.enforce_chs that is set
by default. It can be used to disable automatic alignment to CHS geometry,
that GEOM_PART_MBR does.