Zachary Leaf contributed documentation updates to the zephyrproject-rtos/trusted-firmware-a repository, focusing on instrumentation data for the v2.12 release across N1SDP and Juno platforms. He revised and replaced outdated tables with new performance data, ensuring the documentation accurately reflected the latest benchmarking results and aligned with release requirements. Working primarily with reStructuredText (RST), Zachary applied his documentation skills to enhance clarity and consistency, supporting both internal development and downstream users. While the work was limited in scope to a single feature over one month, it demonstrated careful attention to detail and a methodical approach to maintaining technical documentation quality.