Marcoko Yip focused on improving the Shopify/ui-extensions repository by enhancing the accuracy of its Locale API documentation. During October 2024, Marcoko identified and corrected a typo that previously misrepresented how developers retrieve the merchant locale, ensuring the documentation aligns with actual API behavior. This targeted fix, implemented using TypeScript and strong documentation skills, aimed to streamline developer onboarding and reduce support queries by providing clearer guidance. The work was tracked through a single, auditable commit, reflecting a precise and quality-driven approach. While the scope was narrow, Marcoko’s contribution maintained documentation standards and supported the ongoing reliability of the repository.