Tram Dinh focused on targeted maintenance and documentation improvements across AdguardTeam repositories, addressing two key bug fixes over a two-month period. In AdguardTeam/KnowledgeBaseDNS, Tram enhanced documentation accuracy by correcting IPv6 CIDR notation in the Disallowed Clients section, using Markdown and text editing to ensure technical clarity and reduce user confusion. Later, in AdguardTeam/AdguardFilters, Tram applied filter list management skills to update allowlist_stealth.txt, mitigating stealth mode issues for thuedientu.gdt.gov.vn without impacting unrelated domains. The work demonstrated careful attention to operational detail, version control discipline, and a methodical approach to maintaining stability and clarity in user-facing resources.