Carlos Menezes contributed to the nodejs/nodejs.org repository by refining documentation related to Promises in Node.js. During May 2025, he focused on improving the clarity and consistency of the “Discover Promises in Node.js” guide, specifically addressing a capitalization typo in the Promise states analogy. Using Markdown and leveraging his documentation skills, Carlos ensured that the language and tone remained consistent throughout the guide, enhancing readability for developers. His work was limited to documentation text, introducing no changes to code, APIs, or runtime behavior. This careful, well-scoped update maintained project stability while incrementally improving the developer experience through clearer guidance.