Zhengbo Li updated the alerts documentation in the mixpanel/docs repository, focusing on clarifying the alert creation process and introducing new features such as notification windows and test alerts. Using Markdown and technical writing skills, Zhengbo enhanced the documentation with back callouts and relevant images to improve user experience and make alert features more discoverable. The work emphasized documentation accuracy, maintainability, and alignment with recent product changes, supporting smoother onboarding and reducing potential support queries. Zhengbo’s approach integrated user experience design principles and careful versioned changelog management, resulting in clearer guidance for users navigating alert configuration and notification workflows.