Unknown CPU how to fix

[ashman70]

I recently completed a Coffee Lake build with an i5-8400 CPU, how can I change the description to accurately show the proper CPU?

 

[BreBo]

I recently completed a Coffee Lake build with an i5-8400 CPU, how can I change the description to accurately show the proper CPU?

Check the Changing the processor name section of How to customize the “About This Mac” section of a Mac