Worked on enhancing the developer experience for the ArchipelagoMW/Archipelago repository by improving documentation related to YAML item group configuration. Focused on clarifying how item groups function within the generator, providing concrete examples and guidance to prevent misconfigurations and unintended item creation. Updated the main documentation, including plando_en.md, to reflect best practices and address edge cases encountered by users. All changes were tracked through dedicated commits and integrated into the project’s documentation workflow. Utilized Markdown and YAML to deliver clear, actionable instructions, drawing on skills in documentation, YAML configuration, and game design to support maintainability and ease of use.