Armaan Mali contributed to the facebook/chef-cookbooks repository by delivering an inclusive language terminology update within the fb_launchd component. He replaced instances of 'blacklist' with 'blocklist' to align with evolving language standards, focusing on accessibility and policy compliance in infrastructure as code. The work involved targeted code refactoring using Ruby and Chef, ensuring minimal impact on existing automation scripts while maintaining robust commit hygiene. By applying DevOps principles and infrastructure as code best practices, Armaan improved the maintainability of the codebase. The update addressed organizational language policies and demonstrated careful, low-risk engineering within a large-scale configuration management project.