Change of beneficiary on a life insurance policy main role 2016

General question
We live in a community prop. state and my husband of 16 years changed it while he was in the hospital, ten days before his death. I do not believe he was 100% mentally stable at the time of the change.
https://www.youtube.com/watch?v=onI5D4mE2Qg
Change of beneficiary on a life ...

Change of beneficiary on a life insurance policy main role 2016