Worked on the Yoast/wordpress-seo repository to enhance the quality of user-facing text by addressing a grammar issue in the llms.txt template. Applied a targeted fix in PHP to correct a phrase within intro-builder.php, directly improving the professionalism and clarity of generated content for site editors. Ensured the change was robust by updating unit tests in Abstract_Intro_Builder_Test.php, using test-driven development practices to prevent regression. Maintained clear traceability to the original issue and kept changes isolated to relevant PHP source and test files. Demonstrated skills in bug fixing, text generation, and unit testing while focusing on reliability and maintainability.