Weathered Copper BlocK has a capital K.

How to reproduce:

Method 1 (works on creative)

1. Go to the creative inventory.
2. Search for "weathered copper block"
3. Read the name
   The word "BlocK" has a capital K.

Method 2 (works on survival)

1. You need to obtain the weathered coppered block.
2. Read the name
   The word "BlocK" has a capital K.