Some wordsmithing and mdoc(7) cleanup.
Some wordsmithing and mdoc(7) cleanup.

Submitted by:   Michel Lavondès <fox@vader.aacc.cc.md.us>
PR:             docs/66823
Reviewed by:    simon

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase