Change the error message for minimum attachments on DOR

Hi Below is our requirement. Please let me know if we can achieve this. We are asked to change the error message when employee doesn't attach a document on DOR.

While attachment is mandatory, the message should be better be specific as 'Please make sure to attach the Attested cetificate and Photo' of the dependent. If it cant be made specific, the generic message should be 'Please make sure you have attached the required documents before submitting the request"