Petr Lasak enhanced the onboarding experience for scrumdojo/quizmaster by delivering a comprehensive refresh of the quiz introductory text. He introduced Czech language support and improved readability through careful formatting, ensuring the content was accessible and inviting for a broader audience. Using React with JavaScript and TypeScript, Petr expanded the introductory material to cover a wider range of software engineering topics, encouraging participation beyond just scoring. He updated and implemented the new text across the user interface, accompanied by targeted tests to maintain consistency and reliability. The work demonstrated thoughtful attention to both user engagement and maintainable frontend development practices.