diff --git a/resources/assets/tinker/lang/en_US.lang b/resources/assets/tinker/lang/en_US.lang
index 16a6d71b909..fe7f4d145d8 100644
--- a/resources/assets/tinker/lang/en_US.lang
+++ b/resources/assets/tinker/lang/en_US.lang
@@ -258,7 +258,7 @@ item.tconstruct.Materials.GlueBall.name=Ball of Glue
 item.tconstruct.Materials.ArditeDust.name=Ardite Dust
 item.tconstruct.Materials.CobaltDust.name=Cobalt Dust
 item.tconstruct.Materials.AluminumDust.name=Aluminum Dust
-item.tconstruct.Materials.ManyullunDust.name=Manyullyn Dust
+item.tconstruct.Materials.ManyullynDust.name=Manyullyn Dust
 item.tconstruct.Materials.AluBrassDust.name=Aluminum Brass Dust
 
 item.tconstruct.ArmorPattern.helmet.name=Helmet Cast