The edX Developer Documentation is created using RST files and Sphinx. You, the user community, can help update and revise this documentation project on GitHub.
https://github.com/edx/edx-documentation/tree/master/en_us/developers/source
The edX documentation team welcomes contributions from Open edX community members. You can find guidelines for how to contribute to edX Documentation in the GitHub edx/edx-documentation repository.