diff --git a/docs/tutorial-1-drawing-simple.example.html b/docs/tutorial-1-drawing-simple.example.html
index 494ca6c8..68395192 100644
--- a/docs/tutorial-1-drawing-simple.example.html
+++ b/docs/tutorial-1-drawing-simple.example.html
@@ -736,6 +736,7 @@ <h2>그리기 도구 기본 예제</h2>
 
 var drawingManager;
 naver.maps.Event.once(map, 'init_stylemap', function() {
+    // 그리기 도구 인터페이스 추가 - v3 API URL에 'submodules=drawing' 을 추가해주세요.
     drawingManager = new naver.maps.drawing.DrawingManager({map: map});
     drawingManager.addDrawing(rect, naver.maps.drawing.DrawingMode.RECTANGLE, 'my-id');
     drawingManager.addDrawing(polygon, naver.maps.drawing.DrawingMode.POLYGON);
@@ -915,4 +916,4 @@ <h4 class="modal-title">Search results</h4>
     wcs_do();
 </script>
 </body>
-</html>
\ No newline at end of file
+</html>