How to correct the error message of ‘tax registration number’ in Supplier Registration page

We have renamed column 'tax registration number' to 'VAT Certificate Number' in NEXT GENERATION USER EXPERIENCE FOR SUPPLIER SELF-SERVICE REGISTRATIONand However if wrong data entered or data not entered in this column, error message says, ‘tax registration number’ instead of ‘VAT certificate number’. Need to correct the error message to avoid ambiguity.