What?

Checklist

I have used a meaningful title for the PR.
I have described the changes I've made in the "What?" section above.
I have performed a self-review of my changes.
I have run the npm start command locally and verified that the changes look good.

I have made my changes in the docs/sources/k6/next folder of the documentation.
I have reflected my changes in the docs/sources/k6/v{most_recent_release} folder of the documentation.
I have reflected my changes in the relevant folders of the two previous k6 versions of the documentation (if still applicable to previous versions).