During October 2024, McKing Banner enhanced the readability of interview guides in the yangshun/tech-interview-handbook repository by systematically adding missing periods at the end of sentences. This documentation update, implemented using Markdown and leveraging skills in content writing and technical writing, aimed to improve clarity and professionalism for readers preparing for technical interviews. The change reduced cognitive load and supported a smoother onboarding experience for candidates. While the scope was focused on a single feature and did not involve bug fixes or complex engineering, the work demonstrated attention to detail and a commitment to improving user-facing documentation quality within the project.