That is the way all Steemit edits are done, even during the allowed one-week payout period.
I've been haranguing the developers to fix the UI for many, many months now. I have been told that the core code will allow it, but the UI is not up to speed. So far, I've only gotten excuses.
I guess I am just going to have to give up and figure out how to do it myself... ;)