Ubuntu documentation is made up of the onboard system documentation shipped with Ubuntu, and the online documentation site <https://help.ubuntu.com> (including the community maintained wiki).

You can help! See <https://wiki.ubuntu.com/DocumentationTeam> for works in progress and instructions on how to contribute. If you'd just like to report a small problem, please file a bug on the relevant source package in Ubuntu:

http://bugs.launchpad.net/ubuntu/+source/ubuntu-docs

You can report bugs on the documentation for other flavors of Ubuntu (like Kubuntu, Xubuntu and Edubuntu) here:

http://bugs.launchpad.net/ubuntu/+source/kubuntu-docs
http://bugs.launchpad.net/ubuntu/+source/xubuntu-docs
http://bugs.launchpad.net/ubuntu/+source/edubuntu-docs