During September 2025, Aekwitchayapong Phongphisut focused on enhancing learner-facing documentation for the soonklang/Ruby_tutorial repository. He updated Markdown files to integrate multimedia resources, adding a dedicated Presentation section with links to a Google Drive presentation and a YouTube video. This work emphasized documentation clarity and improved onboarding by making external learning materials more accessible, without modifying any code logic or runtime behavior. Using Markdown and leveraging skills in documentation, Aekwitchayapong delivered a single feature through two commits. The scope was limited to documentation, providing incremental value for users seeking reference materials, but did not involve deeper engineering or bug fixes.