Anran Lee enhanced the documentation for the SAM 3 model in the huggingface/transformers repository, focusing on improving clarity and consistency across Python modules. Using Python and leveraging experience in documentation and machine learning, Anran standardized and corrected docstrings in modeling_sam3_tracker.py and modular_sam3_tracker.py, including fixing a typo and aligning the auto_docstring introduction for Sam3TrackerPreTrainedModel. These targeted updates did not alter functional code but improved the accuracy and maintainability of auto-generated documentation. The work supports faster onboarding for contributors, reduces support overhead, and ensures that user-facing documentation remains reliable and consistent with evolving code standards.