[Koha] Relator Term

Hi. We just started to use subfield e in tag 100 and 700. However, we noticed that instead of showing the relator term in OPAC with just comma (Fazio, Giovanni G., editor), it is placed inside square brackets (Fazio, Giovanni G [editor]). And there is no period in the middle name. Is there a way to edit this the way we want it to be shown in OPAC? Thank you. -- Ma. Victoria H. Silva-Manuel Registered Librarian, 3892