Yes, it is possible to edit and update your domain information. However, you can only do this through your registrar, and this can happen once in a year. Important to note, ignoring to update this information can lead to suspension of your website according to ICANN rules. The rules require domain owners to give correct and complete information about their domains.
Thus, the registrars have the duty of verifying domain information and ensure it is accurate, complete and updated. Through this, ICANN aims at achieving high accuracy level to maintain the public trust.
And that’s all you need to know about Domain Whois.