Carina Schrenk authored an educational article and updated an illustration for the unibas-tilics/tilics repository, focusing on code quality principles such as KISS and DRY. She used Markdown for technical writing and SVG to enhance visual communication, aiming to clarify best practices for code organization and maintainability. Her work strengthened the project’s documentation, providing clear guidelines that support both onboarding and ongoing maintenance. By integrating content creation with technical writing, Carina addressed the need for accessible developer education within the repository. The depth of her contribution lies in combining conceptual explanations with visual aids to improve understanding among contributors.