diff --git a/assets/l10n/intl_cs.arb b/assets/l10n/intl_cs.arb
index 63a016285..2eea8a1da 100644
--- a/assets/l10n/intl_cs.arb
+++ b/assets/l10n/intl_cs.arb
@@ -2398,5 +2398,10 @@
   "@yourChatsAreBeingSynced": {
     "type": "text",
     "placeholders": {}
+  },
+  "synchronizingPleaseWait": "Synchronizace ... Čekejte prosím.",
+  "@synchronizingPleaseWait": {
+    "type": "text",
+    "placeholders": {}
   }
 }