Worked on enhancing the documentation for the crypto:exor/2 function within the erlang/otp repository, focusing on improving clarity and accuracy for developers referencing this feature. The approach involved a targeted update to the documentation, addressing both usage explanations and correcting a typo that could have led to misinterpretation. Leveraged skills in Erlang, Shell scripting, and Git to ensure changes were precisely tracked and aligned with project standards. Emphasized clear commit messaging and thorough documentation practices, supporting maintainability and ease of use for future contributors. The work reflected disciplined attention to detail and a commitment to improving developer experience through documentation.