diff --git a/mappings/net/minecraft/fluid/Fluid.mapping b/mappings/net/minecraft/fluid/Fluid.mapping
index 55752017e2..e8295585a6 100644
--- a/mappings/net/minecraft/fluid/Fluid.mapping
+++ b/mappings/net/minecraft/fluid/Fluid.mapping
@@ -27,10 +27,17 @@ CLASS net/minecraft/class_3611 net/minecraft/fluid/Fluid
 		ARG 1 fluid
 	METHOD method_15781 setDefaultState (Lnet/minecraft/class_3610;)V
 		ARG 1 state
-	METHOD method_15782 getVelocity (Lnet/minecraft/class_1922;Lnet/minecraft/class_2338;Lnet/minecraft/class_3610;)Lnet/minecraft/class_243;
+	METHOD method_15782 getFlowDirectionVector (Lnet/minecraft/class_1922;Lnet/minecraft/class_2338;Lnet/minecraft/class_3610;)Lnet/minecraft/class_243;
+		COMMENT {@return a 3D vector indicating the direction the given fluid state will flow towards}
+		COMMENT
+		COMMENT <p>Example: a return of {@code (0, 0, -1)} means the given {@link FluidState} will flow towards negative-Z in the game which is towards the North.
+		COMMENT Likewise {@code (0, 0, 1)} means the given {@link FluidState} will flow towards positive-Z in the game which is South.
 		ARG 1 world
+			COMMENT the world that will be queried for the fluid states around the fluid state whose direction of flow is desired
 		ARG 2 pos
+			COMMENT the {@link BlockPos} containing the position of the fluid state whose direction of flow is desired
 		ARG 3 state
+			COMMENT the {@link FluidState} whose direction of flow is desired to be known
 	METHOD method_15783 getStateManager ()Lnet/minecraft/class_2689;
 	METHOD method_15784 getBlastResistance ()F
 	METHOD method_15785 getDefaultState ()Lnet/minecraft/class_3610;
diff --git a/mappings/net/minecraft/fluid/FluidState.mapping b/mappings/net/minecraft/fluid/FluidState.mapping
index 3a44052f97..c608401275 100644
--- a/mappings/net/minecraft/fluid/FluidState.mapping
+++ b/mappings/net/minecraft/fluid/FluidState.mapping
@@ -11,7 +11,7 @@ CLASS net/minecraft/class_3610 net/minecraft/fluid/FluidState
 		ARG 1 world
 		ARG 2 pos
 		ARG 3 random
-	METHOD method_15758 getVelocity (Lnet/minecraft/class_1922;Lnet/minecraft/class_2338;)Lnet/minecraft/class_243;
+	METHOD method_15758 getFlowDirectionVector (Lnet/minecraft/class_1922;Lnet/minecraft/class_2338;)Lnet/minecraft/class_243;
 		ARG 1 world
 		ARG 2 pos
 	METHOD method_15759 getBlockState ()Lnet/minecraft/class_2680;