During their two-month engagement, Antonio Fontan focused on documentation engineering for DataDog’s repositories, primarily using Markdown. In DataDog/documentation, Antonio removed outdated Unified Span Trace feature documentation from the CI application, aligning the docs with current product capabilities and reducing maintenance overhead. Later, in DataDog/integrations-core, Antonio enhanced CI Pipeline Visibility documentation for GitLab and TeamCity integrations, clarifying configuration steps and improving onboarding through targeted updates and cross-linking. The work emphasized accuracy and maintainability, with no bug fixes but two feature-level documentation improvements. Antonio’s contributions demonstrated depth in technical writing and a methodical approach to aligning documentation with evolving product features.