Get that confirmed in writing.

Hi landlord - I want to confirm the money I’ve sent and what it’s for. This is my understanding, please confirm

March 1-31 rent- $650 - paid on <date>

Security deposit - $650 - paid on <date>

February prorated 2/13-2/28 rent - $xxx - not yet paid.

Going forward rent to be paid on 1st of the month. Ie April rent $650 to be paid on 4/1