What

This is an instance of the typo train, an MR grouping typo fixes and other minor (and not so urgent) changes to the doc.

See meta-issue #2329 for more details.

Why

Encourage doc fixes from anyone.

How

Nothing is specified in advance! Rather, doc fixes are welcome from anyone, as long as in Draft mode.

Manually testing the MR

Read the changes and check that they are correct and they bring some improvements.

Checklist

Select suitable reviewers using the Reviewers field below.
Select as Assignee the next person who should take action on that MR