In Shakespearean language, the Waxed Cut Copper Stairs has been misnamed as a slab.

What it should be:
"Wax'd Cutteth Copp'r Stairs"

What it actually is in-game:
"Wax'd Cutteth Copp'r Slab"

Steps to Reproduce:
1. Go to language settings
2. Set language to "Shakespearean English"
3.  Check the name of the Waxed Cut Copper Stairs. You will see it's mislabeled as Waxed Cut Copper SLAB instead of Waxed Cut Copper STAIRS