diff --git a/playshogi-website/playshogi-website-client/src/main/java/com/playshogi/website/gwt/client/widget/kifu/PositionEditingPanel.java b/playshogi-website/playshogi-website-client/src/main/java/com/playshogi/website/gwt/client/widget/kifu/PositionEditingPanel.java
index be5ebfe6..183a1296 100644
--- a/playshogi-website/playshogi-website-client/src/main/java/com/playshogi/website/gwt/client/widget/kifu/PositionEditingPanel.java
+++ b/playshogi-website/playshogi-website-client/src/main/java/com/playshogi/website/gwt/client/widget/kifu/PositionEditingPanel.java
@@ -2,10 +2,7 @@
 
 import com.google.gwt.core.shared.GWT;
 import com.google.gwt.event.dom.client.ClickHandler;
-import com.google.gwt.user.client.ui.Button;
-import com.google.gwt.user.client.ui.Composite;
-import com.google.gwt.user.client.ui.FlowPanel;
-import com.google.gwt.user.client.ui.ListBox;
+import com.google.gwt.user.client.ui.*;
 import com.google.web.bindery.event.shared.EventBus;
 import com.google.web.bindery.event.shared.binder.EventBinder;
 import com.google.web.bindery.event.shared.binder.EventHandler;
@@ -40,6 +37,8 @@ public PositionEditingPanel() {
 
         FlowPanel flowPanel = new FlowPanel();
 
+        // flowPanel.add(new HTML("Mouse Wheel = rotate")); // todo add instruction to how to rotate pieces
+
         switchButton = SwitchButton.create();
         flowPanel.add(new ElementWidget(switchButton
                 .setOffTitle("Play").setOnTitle("Edit").setColor(Theme.DEEP_PURPLE.color())