When I first started playing, I thought clothes just couldn't be repaired because I couldn't find a way to fix them until I asked on discord.
There is couple more same things, as example this:
It says it smelts into 1 ingot, but you cant smelt it without destroying with chisel.
For a couple of days I puzzled over why this text is there if no smelting method (bloomery, forge or crusible) works.