doesn't give you frost walker 2 boots when you enchant them in a anvil.

Put the summary of the bug you're having here

What I expected to happen was...:
I thought I was going to get frost walker boots when I put them in a anvil with a frost walker 2 book

What actually happened was...:
I got NOTHING!

Steps to Reproduce:
1. put any boots and a frost walker 2 book in a anvil.
2. ...click on the third slot
3. ...it dissapers it doesn't even go into your inventory.WHAT USE DO FROST WALKER BOOT ENCHANTMENT BOOKS DO NOW!!!!!!!!!!!!!!!!!!!!!!