Ivy Hjornevik enhanced the Input Layer Data Dictionary documentation for the tuva-health/tuva repository, focusing on improving data clarity and reducing ambiguity in key fields. She refined the descriptions for deductible_amount and subscriber_relation, and corrected a reference in the latitude field within the core models YAML, ensuring accurate data mapping. Using Markdown and YAML, Ivy applied her skills in data dictionary management and documentation to address common sources of confusion for engineers and analysts. The targeted updates streamlined onboarding and reduced support needs, demonstrating a thoughtful, detail-oriented approach to documentation that directly supports better data governance and team efficiency.