diff --git a/src/raylib.h b/src/raylib.h
index 3bc44f03d09e..60ec3c23ed14 100644
--- a/src/raylib.h
+++ b/src/raylib.h
@@ -421,7 +421,7 @@ typedef struct ModelAnimation {
 // Ray, ray for raycasting
 typedef struct Ray {
     Vector3 position;       // Ray position (origin)
-    Vector3 direction;      // Ray direction
+    Vector3 direction;      // Ray direction (normalized)
 } Ray;
 
 // RayCollision, ray hit information