diff --git a/src/pages/AdminSettings.tsx b/src/pages/AdminSettings.tsx
index 5c581ad..eb64760 100644
--- a/src/pages/AdminSettings.tsx
+++ b/src/pages/AdminSettings.tsx
@@ -40,6 +40,10 @@ const FIELD_LABELS: Record<string, string> = {
   location_id: 'Default Location', from: 'From Address', reply_to: 'Reply-To Address',
   backup_path: 'Backup Directory', site_url: 'Site URL',
   latitude: 'Latitude', longitude: 'Longitude',
+  // Met Office DataHub sells "Global Spot" and "Forecast" as separate
+  // subscriptions with separate keys — api_key above is Spot; this is the
+  // (optional) second one.
+  forecast_api_key: 'Forecast API Key',
 }
 
 interface AppRow {