Worked on improving the accuracy of documentation within the microsoft/vscode-docs repository, focusing on the semantic highlighting guide for Visual Studio Code. Addressed a documentation bug by updating the TextMate scope mapping for preprocessor macros, ensuring that the guide correctly referenced entity.name.function.preprocessor instead of the previous, incorrect scope. This change clarified how preprocessor macros should be highlighted, supporting developers who rely on precise syntax definitions. The work involved careful review and editing of Markdown files, applying documentation best practices to maintain clarity and correctness. Demonstrated attention to detail and a methodical approach to technical writing and documentation maintenance using Markdown.