Worked on the jenkinsci/jenkins repository to enhance documentation around environment variable handling, focusing on improving developer experience and reducing misconfiguration risks. Delivered a detailed explanation of the BASE+EXTRA syntax for global environment variables, clarifying how values can be prepended to existing variables in Jenkins pipelines. The approach included updating help text, refining formatting, and consolidating descriptions within a single container div using HTML. Collaborated with other contributors to ensure code quality through linting and continuous integration. These documentation improvements aimed to streamline onboarding for new users and provide clearer guidance for web development tasks involving environment variable augmentation.