You have the right to have your personal data rectified if it is incomplete or incorrect. Updating customer details and records is an everyday part of our business processes at TalkTalk. If your personal data changes or you identify an error in any personal data we hold, speak to our customer service teams or you may be able to update your records in My Account. In some instances, we may require additional evidence to prove your identity before applying changes. We will let you know if this is the case.