Worked on the root-project/root repository, focusing on improving the documentation for the RooWorkspace::factory function using C++ and technical writing skills. Addressed a documentation bug by removing a stray closing bracket from the example code, which clarified the process for users creating sum PDFs with nested definitions. The patch did not alter runtime behavior but enhanced the accuracy and readability of the API documentation, reinforcing user trust and reducing potential support queries. The work demonstrated attention to detail in maintaining documentation quality, ensuring that developers referencing the C++ API have clear, correct examples to guide their implementation and usage.