diff --git a/apps/client/src/translations/en/translation.json b/apps/client/src/translations/en/translation.json
index e0c5a49b6..8f9bb7aeb 100644
--- a/apps/client/src/translations/en/translation.json
+++ b/apps/client/src/translations/en/translation.json
@@ -29,7 +29,7 @@
     "widget-render-error": {
       "title": "Failed to render a custom React widget"
     },
-    "widget-missing-parent": "Custom widget does not have mandatory '{{property}}' property defined.",
+    "widget-missing-parent": "Custom widget does not have mandatory '{{property}}' property defined.\n\nIf this script is meant to be run without a UI element, use '#run=frontendStartup' instead.",
     "open-script-note": "Open script note",
     "scripting-error": "Custom script error: {{title}}"
   },