Worked on the rh-writers/BUT-technical-writing-course-2025 repository, focusing on enhancing onboarding documentation and practical content for technical writing learners. Delivered four new features, including a Markdown-based Boiling Water Tutorial to expand hands-on exercises and a comprehensive overhaul of the Introduction.adoc file, which clarified prerequisites, procedures, and best practices for technical writers. Improved attribution and cross-referencing in About_APEs.adoc by updating contributor identifiers and adding a wiki link. Enhanced the How_to_become_TW.adoc guide by refining language and correcting typos. Employed skills in documentation and technical writing, utilizing Markdown and AsciiDoc to improve content discoverability and overall documentation quality.