Try and nudge parents/carers towards the best practice for how to set
parental controls on a user, by linking them to appropriate external
content from people who know what they’re talking about.
This external content can vary in the translations so that parents are
pointed to appropriate localised guidelines. In the UK, for example,
this may be
https://www.nspcc.org.uk/keeping-children-safe/online-safety/.
Signed-off-by: Philip Withnall <pwithnall@endlessos.org>