Please avoid
red text because that could serve as a Redline insertion.
As to footnotes, see my "Author's Note" at the top of my
Jane and Elizabeth’s Paranormal Journey in: https://www.dwiggie.com/derby/raeelaine1.htm Footnotes in web pages appear like end notes, and deserve the same disgust. My in-line markup serve well.
Welcome to fan fictions, MorganA. I have dabbled in quite a few, but my favorites use... Teazer Alert...
"The avalanche has started. It is too late for the pebbles to vote." -Ambassador Kosh Naranek