Curse of Binding is called "Curse of Binding I"

If you see Curse of Binding's name, it says "Curse of Binding I".

 

How to reproduce

1. Get the hands of the Curse of Binding
2. Scroll through the hotbar or select the item.

Expected Results

It should say "Curse of Binding"

Observed results

It says "Curse of Binding I"