This documentation is rendered online at http://symfony.com/doc/current/
Note Unless you're documenting a feature th 5DEF at's new to a specific version of Symfony (e.g. Symfony 2.1), all pull requests must be based off of the 2.0 branch, not the master or 2.1 branch.
We love contributors! For more information on how you can contribute to the Symfony documentation, please read Contributing to the Documentation