Code review comment for lp:~clissold345/ubuntu-docs/small-changes-relating-to-installing-applications-and-adding-repositories

I agree that "extra" or "additional" doesn't need to be repeated, and those changes look good.

But the change between <desc></desc> on addremove.page is not good. Those links appear on index.page, and are needed to maintain the 'style' compared to the other index.page groups.