Crossword Genius

‘Do own up; set forth mistake’, she insists (4,3,4,4)

Ross

I believe the answer is:

puts her foot down

I'm a little stuck... Click here to teach me more about this clue!

'she insists' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'do own up set forth mistake' is the wordplay.
'mistake' indicates an anagram.
'do'+'own'+'up'+'set'+'forth'='doownupsetforth'
'doownupsetforth' anagrammed gives 'PUTS HER FOOT DOWN'.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.
Want a hint initially instead of a full solution? Install my app