Worked on the nginx/nginx.org repository to enhance the Nginx ACME documentation, focusing on improving clarity and accuracy for both operators and developers. The updates centered on documenting the acme_challenge and external_account_key directives, clarifying the state_path syntax, and specifying default behaviors to reduce ambiguity during ACME-backed automation setup. By updating references to the latest ACME specification and ensuring documentation alignment with external standards, the work improved traceability and user onboarding. The technical approach relied on strong documentation skills and a solid understanding of HTML and Nginx configuration, resulting in more accessible and maintainable guidance for the Nginx community.