Ahh - sorry - no personal knowledge there. There should be two fields for entering the name server names. Usally labeled Name Server 1 and Name Server 2. All you want to do is change the fields to the names given in your email. No other modifications should be needed.
Here is a video that will walk you through the process step by step - Watch this and it should be really easy. It is for your domain registrar.
Let me know if this works for you!