diff --git a/src/lang/traditional_chinese.txt b/src/lang/traditional_chinese.txt
--- a/src/lang/traditional_chinese.txt
+++ b/src/lang/traditional_chinese.txt
@@ -1589,6 +1589,7 @@ STR_CONFIG_SETTING_RIGHT_MOUSE_BTN_EMU_OFF                      :無
 
 STR_CONFIG_SETTING_RIGHT_MOUSE_WND_CLOSE                        :右鍵關閉視窗：{STRING}
 STR_CONFIG_SETTING_RIGHT_MOUSE_WND_CLOSE_HELPTEXT               :在視窗內以右鍵點擊可關閉視窗。可用右鍵關閉工具提示。
+###length 3
 
 STR_CONFIG_SETTING_AUTOSAVE                                     :自動儲存：{STRING}
 STR_CONFIG_SETTING_AUTOSAVE_HELPTEXT                            :選擇自動存檔的週期。