How to add some extra parameter in SAP instance profile

Dear Gurus,

I want to add login/min_password_lng and login/fails_to_user_lock in my instance profile.Please guide me the steps how I can add this by using RZ10 T.Code so that it takes changes in program RSPARAM.In our scenario we have 1 CI server and 2 application server.

Please guide me the steps so that I add this parameter.

Advance Thanks