Update README.md

README.md

@@ -82,7 +82,7 @@ need to use the 'nodejs-legacy' package and not the 'node' package.
 
 For more detailed development install instructions (e.g. recompiling javascript
 and css, running tests), see the
-[Developer Documentation](http://jupyter.readthedocs.org/en/latest/contrib_guide_code.html)
+[Developer Documentation](https://jupyter-notebook.readthedocs.org/en/latest/development_js.html)
 on ReadTheDocs and the [contributing guide](CONTRIBUTING.md).
 
 ### Ubuntu Trusty
@@ -119,6 +119,12 @@ pip install -r requirements.txt -e .
 jupyter notebook
 ```
 
+## Contributing
+
+If you are interested in contributing to the project, you can find information about the
+contribution process in the [Jupyter Contribution Guidelines]
+(http://jupyter.readthedocs.org/en/latest/contrib_guide_code.html).
+
 ## Resources
 - [Project Jupyter website](https://jupyter.org)
 - [Online Demo at try.jupyter.org](https://try.jupyter.org)