diff --git a/src/routes/settings.import.tsx b/src/routes/settings.import.tsx
index 6ec3acb..ed51685 100644
--- a/src/routes/settings.import.tsx
+++ b/src/routes/settings.import.tsx
@@ -552,7 +552,7 @@ const IMPORTERS: ImporterConfig[] = [
   {
     key: "invoices",
     label: "Invoices → Invoices",
-    description: "Invoice headers (line items not imported).",
+    description: "Invoice headers (line items not imported). If the client isn't recognized, an archived client is auto-created. If the case isn't recognized, an archived placeholder case is auto-created so the reference is preserved.",
     table: "invoices",
     conflict: "external_id",
     required: ["invoice_number", "client_id"],