diff --git a/src/main/res/values-mn/strings.xml b/src/main/res/values-mn/strings.xml
index 5d1e4a0..62796a0 100644
--- a/src/main/res/values-mn/strings.xml
+++ b/src/main/res/values-mn/strings.xml
@@ -36,6 +36,7 @@
     <!-- Translations must begin there -->
     <!-- Preferences -->
     <string name="pref_title_sync">МЕССЕЖ-Хурд</string>
+    <string name="pref_title_sync_frequency">хурдан давтамжтай синк хийх</string>
     <string name="action_settings">Тохиргоо</string>
     <string name="sync_now">Одоо тааруулагдөх</string>
     <string name="pref_category_sync">Тааруулагдах нь</string>