Customize RQ_TYPE_ID Field

Hello

I'm new to ALM, and I'ld like to know wheter what I want to do is feasible or no.

I would like to customize the field RQ_TYPE_ID in the add requirement dialog box. Today the drop down list contains 7 value for Req Type (Undefined, Folder, Group, Functionnal, Business, Testing, Performance), I'ld like to add two more types of requirements.

I add them in the table REQ_TYPE in the admin data base and tried to assign the field REQ_TYPE_ID a customized list with the script editor, but it doesn't work.

Does anyboda know how to do that?