Objective:
Update the guidelines about select / all toggles in https://hig.kde.org/components/editing/checkbox.html with suggestions made in the accepted answer in https://ux.stackexchange.com/questions/111370/does-material-design-have-a-guideline-for-styling-a-select-all-checkbox

Skills/Knowledge:
Writing text in English

Time:
~ 5h. Its only a few lines of text, but with discussions, reviewing the time it will take could vary quiet a bit.

ETA:
when it is ready

Difficulty:
easy - medium

Contact Person:
@fabianr