diff --git a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs b/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs
index 935ccc159..4a06dc63f 100644
--- a/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs
+++ b/Assets/VRM10/Editor/Components/SpringBone/VRM10SpringBoneJointEditor.cs
@@ -87,7 +87,7 @@ namespace UniVRM10
             //
             // angle limit
             //
-            m_showAnglelimitSettings = EditorGUILayout.Foldout(m_showAnglelimitSettings, "AngleLimit Settings(dev)");
+            m_showAnglelimitSettings = EditorGUILayout.Foldout(m_showAnglelimitSettings, "AngleLimit Settings (experimental)");
             if (m_showAnglelimitSettings)
             {
                 EditorGUILayout.HelpBox("SpringBoneの角度制限はまだdraft仕様です。将来的に仕様が変更される可能性があります。また、VRMファイルへのインポート・エクスポート機能はまだ実装されていません。\nThe angle limit feature for SpringBone is still in draft status. The specifications may change in the future. Also, the import/export of VRM files has not yet been implemented.", MessageType.Warning);