Typos in the docs during v18

On Tue, 2025-04-15 at 15:54 +0200, Daniel Gustafsson wrote:

Going over the docs with a spellchecker now that v18 closed found a few typos
as per the attached. I'll apply that shortly unless objected to.

+1

These are all obvious typos.

Yours,
Laurenz Albe