diff --git a/mappings/net/minecraft/client/util/math/Vector4f.mapping b/mappings/net/minecraft/client/util/math/Vector4f.mapping
index bc6932e944..1b2c38dfb3 100644
--- a/mappings/net/minecraft/client/util/math/Vector4f.mapping
+++ b/mappings/net/minecraft/client/util/math/Vector4f.mapping
@@ -23,8 +23,8 @@ CLASS net/minecraft/class_1162 net/minecraft/client/util/math/Vector4f
 		ARG 2 y
 		ARG 3 z
 		ARG 4 w
-	METHOD method_23852 setQuarternion (Lnet/minecraft/class_1158;)V
-		ARG 1 quarternion
+	METHOD method_23852 rotate (Lnet/minecraft/class_1158;)V
+		ARG 1 rotation
 	METHOD method_23853 getW ()F
 	METHOD method_4953 getX ()F
 	METHOD method_4954 multiplyComponentwise (Lnet/minecraft/class_1160;)V
diff --git a/mappings/net/minecraft/util/math/Quaternion.mapping b/mappings/net/minecraft/util/math/Quaternion.mapping
index 9f7d02a813..2090e966c3 100644
--- a/mappings/net/minecraft/util/math/Quaternion.mapping
+++ b/mappings/net/minecraft/util/math/Quaternion.mapping
@@ -1,5 +1,8 @@
 CLASS net/minecraft/class_1158 net/minecraft/util/math/Quaternion
 	FIELD field_21493 IDENTITY Lnet/minecraft/class_1158;
+	FIELD field_21582 b F
+	FIELD field_21583 c F
+	FIELD field_21584 d F
 	FIELD field_21585 a F
 	METHOD <init> (FFFF)V
 		ARG 1 b