diff --git a/web/i18n/en/error.json b/web/i18n/en/error.json
index 55ec9c73..3628690a 100644
--- a/web/i18n/en/error.json
+++ b/web/i18n/en/error.json
@@ -1,5 +1,7 @@
 {
     "import.no_data": "there's nothing to load from the file. are you sure it's the right one?",
     "import.invalid": "your file doesn't have valid cobalt settings to import. are you sure it's the right one?",
-    "import.unknown": "couldn't load data from the file. it may be corrupted or of wrong format. here's the error i got:\n{{ value }}"
+    "import.unknown": "couldn't load data from the file. it may be corrupted or of wrong format. here's the error i got:\n{{ value }}",
+
+    "api.authentication": "couldn't confirm that you're not a robot. try again in a few seconds, or reload the page. this could be caused by a browser extension or your network.\n\nif error still occurs after several attempts, let us know, and we'll try to help!"
 }