Subrat Chandra focused on improving the clarity of algorithm documentation in the cpinitiative/usaco-guide repository during March 2026. He identified and fixed a typo in the explanation of the KMP algorithm’s prefix function, addressing a source of confusion for learners studying string matching algorithms. Working primarily with Markdown, Subrat applied his skills in algorithm explanation and technical writing to enhance the onboarding experience for new users. While the scope of work was limited to a single documentation bug fix, the update contributed to more accurate and accessible educational content, reflecting careful attention to detail and a commitment to documentation quality.