diff --git a/engine/physics/src/physics.rs b/engine/physics/src/physics.rs
index a4a2488..2c8cda9 100644
--- a/engine/physics/src/physics.rs
+++ b/engine/physics/src/physics.rs
@@ -107,6 +107,7 @@ enum TransientAcceleration{
 #[derive(Clone,Debug)]
 struct ContactMoveState{
 	jump_direction:JumpDirection,
+	// TODO: this is bad data normalization, remove this
 	contact:ContactCollision,
 	target:TransientAcceleration,
 }