diff --git a/Assets/02_Scripts/PlayerController.cs b/Assets/02_Scripts/PlayerController.cs
index d0e47fc..ee32d63 100644
--- a/Assets/02_Scripts/PlayerController.cs
+++ b/Assets/02_Scripts/PlayerController.cs
@@ -14,7 +14,7 @@ public class PlayerController : MonoBehaviour
 
     void Update()
     {
-        h = Input.GetAxis("Horizontal");
+        h = Input.GetAxis("Horizontal"); // 1차원 연속값 -1.0 ~ 0.0 ~ +1.0
         Debug.Log("h=" + h);
 
         transform.Translate(Vector3.forward * 0.01f);