Grammar fix
pop in
make a short visit
to visit a place or person for a short time, usually casually and without much planning
phrasal verbB1core
Hear it in context
Notice where the phrase sounds natural.
I'll pop in on my way home and see how your mum's doing.
She popped in for a cuppa but couldn't stay long.
Fix the pattern
One small grammar move makes it sound right.
Learners often say 'visit shortly', which sounds formal; 'pop in' is the natural spoken choice.