diff --git a/mappings/net/minecraft/block/Material.mapping b/mappings/net/minecraft/block/Material.mapping
index 4b5ea24f29..848df425c7 100644
--- a/mappings/net/minecraft/block/Material.mapping
+++ b/mappings/net/minecraft/block/Material.mapping
@@ -60,6 +60,7 @@ CLASS net/minecraft/class_3614 net/minecraft/block/Material
 	FIELD field_15951 burnable Z
 	FIELD field_15952 BARRIER Lnet/minecraft/class_3614;
 	FIELD field_15953 METAL Lnet/minecraft/class_3614;
+		COMMENT Material for blocks metallic in nature, such as cauldrons, bells, iron doors, and iron trapdoors. It also includes non-obvious blocks such as brewing stands and compressed ore blocks, including diamond, redstone, and lapis blocks.
 	FIELD field_15954 GOURD Lnet/minecraft/class_3614;
 		COMMENT Material for gourds. Includes the carved pumpkin and jack o' lantern.
 	FIELD field_15955 TNT Lnet/minecraft/class_3614;