Merge pull request #234 from l10n-tw/translation

Update zh-rTW translation.

Author: tibbi

app/src/main/res/values-zh-rTW/strings.xml

@@ -44,7 +44,7 @@
     <string name="show_note_picker">啟動時顯示筆記選擇器</string>
     <string name="autosave_notes">自動儲存筆記</string>
     <string name="enable_line_wrap">自動換行</string>
-    <string name="use_incognito_mode">Use Incognito mode of keyboards</string>
+    <string name="use_incognito_mode">使用無痕模式的鍵盤</string>
 
     <!-- Import / Export -->
     <string name="export_all_notes">將全部筆記匯出成檔案</string>