During March 2026, Error.9g focused on improving user security communications in the pypi/warehouse repository by addressing a targeted bug in the Two-Factor Authentication (2FA) notification system. Using HTML and front end development skills, Error.9g clarified the language in 2FA notifications by removing misleading references to 'passkey' and specifying that only security devices are supported. This change reduced user confusion and aligned the user interface with actual security capabilities, ultimately decreasing potential support requests. The work involved a single, well-scoped commit that demonstrated attention to detail and a clear understanding of user experience and security communication best practices.