Worked on the DataDog/documentation repository to enhance user guidance by improving documentation related to test parallelization. Focused on clarifying the incompatibilities between pytest-xdist and ddtrace, the work involved updating Markdown files to explain that using parallelization plugins can cause inconsistent test event reporting and is not currently supported with ddtrace. The documentation now directs users toward supported configurations, aiming to reduce confusion and support requests. This contribution required careful analysis of existing documentation and a clear communication style to ensure technical accuracy. The work demonstrated attention to detail in documentation practices and a strong understanding of testing workflows and user needs.