On the Winter Bash 2021 homepage, the short description of the "Spotless" hat is
Write a perfect question the first time
If I click on "About this hat", the full description says
No edits or flags on a positive, open question asked during Winter Bash for one week.
There is no reference in the full description to anything that is done "the first time". Of course, any hat can only be earned once per site, so there should be no need to specify that.
What does "the first time" mean in the short description of the "Spotless" hat?