Worked on enhancing the OI-wiki/OI-wiki repository by clarifying the documentation for the Trie data structure, focusing on improving clarity and accessibility for users. The approach involved precise editing of Markdown files to address ambiguities and correct a specific typo in string/trie.md, directly linked to an open issue. Leveraged technical writing and documentation skills within a Git-based workflow, utilizing issue tracking to ensure changes addressed community needs. The work contributed to clearer onboarding for learners and reduced support requirements, while maintaining high standards of documentation hygiene. Demonstrated disciplined collaboration and attention to detail in technical communication and repository maintenance practices.