Graham McMillan focused on improving the accuracy of customer-facing documentation in the MicrosoftDocs/SupportArticles-docs repository. He identified and corrected an incorrect retirement date for the IPU Windows Troubleshooter, updating it to the official 2025-10-30 date. This change was implemented through a single, traceable commit with clear messaging, ensuring lifecycle guidance remained reliable for end users. Graham applied technical writing and documentation skills using Markdown to enhance consistency and governance across support articles. While the scope was limited to a single bug fix, the work demonstrated careful attention to detail and contributed to reducing the risk of misinformation for customers.