Mention clearly if a frimware update or a driver is proprietary and that the updates are not controlled by the community

[moonmehta]

Right now, there is no mention that a firmware update or a driver is proprietary or not. This can misleading to people who do now want proprietary drivers on their system.

Plus, since the support for these proprietary drivers is not controlled by the open source community (in this case, Ubuntu), it should be mentioned that the updates can't be trusted as a result. Here is how Ubuntu's Software & Updates (software-properties-gtk) does it: