If you notice something missing, please open an issue on GitHub.
If you'd like to fix it yourself, simply edit the file on GitHub and open a pull request. The site will be recompiled as soon as your pull request is merged.
If you'd like to test things out locally, you'll need to install Jekyll and a markdown engine:
gem install jekyll rdiscount
... and open http://localhost:4000 in your browser to check it out!