diff --git a/mappings/net/minecraft/network/packet/s2c/play/ChunkDeltaUpdateS2CPacket.mapping b/mappings/net/minecraft/network/packet/s2c/play/ChunkDeltaUpdateS2CPacket.mapping
index 8cc545284f..6f0616176c 100644
--- a/mappings/net/minecraft/network/packet/s2c/play/ChunkDeltaUpdateS2CPacket.mapping
+++ b/mappings/net/minecraft/network/packet/s2c/play/ChunkDeltaUpdateS2CPacket.mapping
@@ -1,16 +1,15 @@
 CLASS net/minecraft/class_2637 net/minecraft/network/packet/s2c/play/ChunkDeltaUpdateS2CPacket
 	FIELD field_26345 sectionPos Lnet/minecraft/class_4076;
-	FIELD field_26346 packedLocalPos [S
-		COMMENT The packed local positions {@see ChunkSectionPos#getPackedLocalPos} for
-		COMMENT each entry in {@see #blockState}.
-	FIELD field_26347 blockState [Lnet/minecraft/class_2680;
+	FIELD field_26346 positions [S
+		COMMENT The packed local positions {@see ChunkSectionPos#getPackedLocalPos} for each entry in {@see #blockStates}.
+	FIELD field_26347 blockStates [Lnet/minecraft/class_2680;
 	METHOD <init> (Lnet/minecraft/class_4076;Lit/unimi/dsi/fastutil/shorts/ShortSet;Lnet/minecraft/class_2826;)V
 		ARG 1 sectionPos
 			COMMENT the position of the given chunk section that will be sent to the client
-		ARG 2 updatedLocalPosSet
+		ARG 2 updatedPositions
 			COMMENT the set of packed local positions within the given chunk section that should be included in the packet
 		ARG 3 section
 	METHOD method_30620 allocateBuffers (I)V
-		ARG 1 posCount
+		ARG 1 positionCount
 	METHOD method_30621 visitUpdates (Ljava/util/function/BiConsumer;)V
 		COMMENT Calls the given consumer for each pair of block position and block state contained in this packet.