Describe the bug
Obsidian Leggings are misspelled.

To Reproduce
N/A

Expected behavior
N/A

Screenshots

Info (please complete the following information):

• Modpack Version: 2.77 Pre-Release
• Server or Singleplayer: Singleplayer
• Version the world was created on: 2.77 Pre-Release

Additional context
N/A

Got it. Will fix.