The axe in the Obsidian Tools & Armor Mod does not work

Edit:
I added "item.obsidian_axe" to the config with no effect

Hello,

you have a wrong spelled names. Please use in-game command "/tch printname 1" for name printing.

item.obsidianaxe
item.emeraldaxe
item.emeraldsuperaxe
item.obsidiansuperaxe