Lizzie enhanced the havuruta/2025-CS-OS repository by developing comprehensive educational documentation focused on computer structure and memory topics. She expanded and refined README chapters using Markdown, adding detailed Q&A sections and clear explanations covering CPU components, memory types, encoding systems, and memory architectures such as RAM, SDRAM, and cache. Her technical writing and documentation skills ensured improved clarity, consistency, and onboarding readiness, reducing support needs for course users. Lizzie also resolved merge conflicts and corrected typographical errors, resulting in clean, maintainable resources. Her work provided in-depth, accessible learning materials that aligned with curriculum goals and supported efficient knowledge transfer.