Sean Hannon focused on improving documentation quality and terminology consistency for the fleetdm/fleet repository during February 2026. He addressed a documentation bug by correcting a typo in product-groups.md, ensuring the term "Product Designer" was used accurately throughout the documentation. Working exclusively with Markdown and leveraging his documentation skills, Sean prioritized stability by making a low-risk, documentation-only change that required no code or schema modifications. His approach emphasized clear commit messages and embedded validation guidance, supporting both onboarding and external communications. The work demonstrated attention to detail and contributed to reducing user confusion for product designers and stakeholders interacting with Fleet.