Worked on the rcpch/national-paediatric-diabetes-audit repository to consolidate and expand the NPDA platform user guide, focusing on improving onboarding, data submission quality, and data visualization guidance. Enhanced documentation using Markdown, covering account creation for multiple user roles, login and first-time setup, and two-factor authentication. Detailed CSV data submission formatting, data quality checks, error reporting workflows, and the process for adding or editing visits via patient questionnaires. Provided comprehensive instructions for Unit and Patient Report sections and clarified interactive chart and tooltip usage. All updates were tracked through multiple commits, demonstrating a methodical approach to technical writing and documentation management.