Severance offer, what should I ask for? (update)

The company sent a severance agreement with a release of claims, and I am unsure what to do. I have read a lot of threads here and could not find my exact situation. It includes health coverage for a couple of months. Should I see a lawyer?

An hour with an employment lawyer cost me a small fee and made me feel much safer about signing.

I asked for two more weeks and a neutral reference. They agreed to the reference and added a week.