I added this to our rules to address accessing PMs. What do y'all think? Any additions or changes needed?

"Concerning the PM system - we respect the privacy of our members and under normal circumstances would never have desire or reason to look at a member’s PMs. If you are repeatedly breaking the rules, threatening or harassing someone, then your account may be subject to review, including the admin checking your PMs. One or two rule infractions will not result in your PMs being checked. Moderators do not have access to member’s PMs – only admins."