Worked on enhancing the Sun Yihui profile README within the drshahizan/learn-github repository, focusing on improving documentation quality and onboarding experience. Consolidated and expanded the README by introducing a new placeholder exercise section, updating personal information and learning goals, and adding structured elements such as headers, a quote, and a data table. Employed Markdown to ensure clear formatting and maintainability, while applying profile management skills to organize content for better readability. The work, delivered through six targeted commits, established consistent documentation practices, addressed grammar and presentation, and provided a more polished, contributor-friendly entry point for future users and collaborators.