Update Raycaster.js

Fix intersection normal JSDoc.

src/core/Raycaster.js

@@ -167,7 +167,7 @@ class Raycaster {
 	 * @property {Object3D} object - The 3D object that has been intersected.
 	 * @property {Vector2} uv - U,V coordinates at point of intersection.
 	 * @property {Vector2} uv1 - Second set of U,V coordinates at point of intersection.
-	 * @property {Vector3} uv1 - Interpolated normal vector at point of intersection.
+	 * @property {Vector3} normal - Interpolated normal vector at point of intersection.
 	 * @property {number} instanceId - The index number of the instance where the ray
 	 * intersects the {@link InstancedMesh}.
 	 */