heads-up
US /ˈhedz ʌp/
UK /ˈhedz ʌp/

1.
aviso prévio, alerta
a warning or piece of information given in advance
:
•
Just wanted to give you a heads-up that the meeting time has changed.
Só queria te dar um aviso prévio de que o horário da reunião mudou.
•
Thanks for the heads-up about the road closure.
Obrigado pelo aviso sobre o fechamento da estrada.