2 member llc with death so now single member llc - i forgot to check FINAL on my 2024 1065

I have 2 member llc, but due to a death in 2024, it is now a single member llc.

I filed 1065 in 2024,but- i forgot to check FINAL on my 2024 1065.

How do I check FINAL on my 2024 return?