Mention that kernel environment variables may be configured in /boot/loader.conf.  Make the description flow a bit better.
Mention that kernel environment variables may be configured in
/boot/loader.conf.  Make the description flow a bit better.

Complaints by:	Nate Lawson <nate@root.org>

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