Mace Enchanted with Wind Burst in Enchanting table

Put the summary of the bug you're having here

What I expected to happen was...:
Random assortment of enchantments that are appliable to the mace, but not wind burst because I thought it was supposed to be exclusive trial chambers

What actually happened was...:
I was enchanting a bunch of mace's in a enchanting table surrounded with 18 bookshelves and after 12 maces I got wind burst 2 on one

Seed: 9085963282343648905