Update README.md (#1245)

Author: brianjo

README.md

@@ -29,3 +29,10 @@ In case you prefer to write your tutorial in jupyter, you can use [this script](
 - You can skip the computationally intensive graph generation by running `make html-noplot` to build basic html documentation to `_build/html`. This way, you can quickly preview your tutorial.
 
 > If you get **ModuleNotFoundError: No module named 'pytorch_sphinx_theme' make: *** [html-noplot] Error 2**, from /tutorials/src/pytorch-sphinx-theme run `python setup.py install`. 
+
+
+## About contributing to PyTorch Documentation and Tutorials
+* You can find information about contributing to PyTorch documentation in the 
+PyTorch Repo [README.md](https://github.com/pytorch/pytorch/blob/master/README.md) file. 
+* Additional information can be found in [PyTorch CONTRIBUTING.md](https://github.com/pytorch/pytorch/blob/master/CONTRIBUTING.md).
+