Looks like you completed the gTLD verification, but not the 'Account Info' verification. That is why you still the notification. We have not attempted to verify this with you since early September, and there is no penalty for leaving it open. I wouldn't worry about it, but if you want to complete it, check for the emails we sent to your account address a month or so ago. The subject line reads: Account Info Whois Verification and the link inside is still valid.