In an uncontested divorce without children as to who is actually filing? Someone suggested he needs to file. Why?

We live in separate counties. I asked the Superior Clerk concerning the filing fees then he asked of the counties that we live in. When I informed him that my husband was in another county, he said that he would have to be the one to file as the Plaintiff. As far as it is concerned with us, it does not matter who is who on the list. All we want to know is why he is the one that needs to file in his county. Particularly when the marital home was residing in Turner County and the marriage took place in Turner County. We just want the papers to be filled in correctly then the final decree can be signed and the papers filled.