Contributed a documentation enhancement to the python/cpython repository, focusing on clarifying the behavior of the frozen parameter in Python dataclasses. The work involved updating technical documentation to provide clear guidance on the exceptions raised when assignments are attempted on fields within frozen dataclass instances. Using Python and technical writing skills, the contribution addressed a common source of confusion for developers, improving onboarding and reducing support overhead. The update was tracked through a dedicated issue and pull request, aligning with CPython documentation standards and maintainability goals. No bugs were fixed during this period, with efforts concentrated on feature documentation clarity.