updated DrawControl.mdx

Author: allen-kim-chi

src/stories/controls/DrawControl/DrawControl.mdx

@@ -16,7 +16,8 @@ Press shift key for freehand drawing.
 1. Add `<DrawControl />`.
 2. When click the toggle icon, you are ready draw. 
 3. Pick a shape to draw. Press ESC to cancel draw.
-5. Pick move icon to move the shape
+4. Pick move icon to move the shape
+5. Press shift-s to download shapes to a geojson
 
 <Story of={DrawControlStories.Primary} />