Jordan Hawker enhanced the ember-learn/guides-source repository by updating TypeScript Glimmer documentation to introduce an explicit Owner type in component constructor examples. This work replaced ambiguous unknown types with clear, best-practice TypeScript annotations, improving the accuracy and clarity of the guides. By focusing on documentation quality and aligning examples with current TypeScript standards, Jordan reduced confusion for both new and experienced contributors. The changes, implemented using Markdown and TypeScript, addressed onboarding friction and improved long-term maintainability of the documentation. While the scope was focused, the update demonstrated careful attention to technical detail and a commitment to improving developer experience through precise documentation.