You'll find this post in your `_posts` directory - edit this post and re-build (or run with the `-w` switch) to see your changes! To add new posts, simply add a file in the `_posts` directory that follows the convention: YYYY-MM-DD-name-of-post.ext.
Jekyll also offers powerful support for code snippets:
Check out the Jekyll docs for more info on how to get the most out of Jekyll. File all bugs/feature requests at Jekyll’s GitHub repo.