diff --git a/res/values-ja/strings.xml b/res/values-ja/strings.xml
index 752e8b0..9e8d028 100644
--- a/res/values-ja/strings.xml
+++ b/res/values-ja/strings.xml
@@ -115,7 +115,7 @@
     <string name="labelCFNRc" msgid="2614827454402079766">"着信不能時"</string>
     <string name="messageCFNRc" msgid="6380695421020295119">"着信不能時の転送番号"</string>
     <string name="sum_cfnrc_enabled" msgid="7010898346095497421">"<xliff:g id="PHONENUMBER">{0}</xliff:g>に転送する"</string>
-    <string name="sum_cfnrc_disabled" msgid="7222141261321276464">"無効"</string>
+    <string name="sum_cfnrc_disabled" msgid="2684474391807469832">"OFF"</string>
     <string name="disable_cfnrc_forbidden" msgid="5646361343094064333">"ご利用の携帯通信会社は着信不能時の転送の無効化をサポートしていません。"</string>
     <string name="updating_title" msgid="6146755386174019046">"通話設定"</string>
     <string name="call_settings_admin_user_only" msgid="4526094783818216374">"通話設定は管理者ユーザーのみが変更できます。"</string>