Worked on refining the Spanish user interface localization for the google/comprehensive-rust repository, focusing on improving translation accuracy and clarity. Addressed a bug by correcting two typographical errors, updating UI instruction phrasing, and fixing the spelling of “Traducciones” within the Spanish translation file. Applied internationalization (i18n) and localization best practices to ensure the changes aligned with established quality assurance standards, thereby reducing user confusion for Spanish-speaking learners. Collaborated through a co-authored commit, demonstrating adherence to team workflows and proper attribution. The work emphasized attention to detail in translation and contributed to a smoother onboarding experience for non-English users.