Improve the wording to make clear the legal restrictions for the use of the pfSense trademark.
Improve the wording to make clear the legal restrictions for the use of the pfSense trademark.

Reviewed by:	jimt

brunostein/pfsense,dennypage/pfsense,pfsense/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,pfsense/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,NOYB/pfsense,BlackstarGroup/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,brunostein/pfsense,pfsense/pfsense,ch1c4um/pfsense,NOYB/pfsense,ch1c4um/pfsense,ch1c4um/pfsense,jxmx/pfsense,pfsense/pfsense,ptorsten/pfsense,brunostein/pfsense,jxmx/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,NOYB/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,jxmx/pfsense,dennypage/pfsense,NewEraCracker/pfsense,phil-davis/pfsense,ptorsten/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense