Marco Osterlin updated documentation in the MicrosoftDocs/cloud-adoption-framework repository to improve terminology consistency for enterprise customers. He replaced all references to "data glossary" with "enterprise glossary," aligning documentation with tool terminology and reducing user confusion. Using Markdown and applying technical writing best practices, Marco ensured that the changes were fully traceable by implementing an auditable commit. His work focused on documentation governance and terminology management, supporting faster onboarding for new users. While the scope was limited to a single feature over one month, the update enhanced documentation quality and readability, demonstrating attention to detail and a methodical approach to documentation improvement.