diff --git a/src/locales/en/main.json b/src/locales/en/main.json
index 3abd85335..97bd4f090 100644
--- a/src/locales/en/main.json
+++ b/src/locales/en/main.json
@@ -1874,5 +1874,6 @@
     "searchAssetsPlaceholder": "Search assets...",
     "allModels": "All Models",
     "unknown": "Unknown"
-  }
+  },
+  "_localeUpdateMarker": "Manual update - 2025-09-18"
 }