diff --git a/src/routes/settings.import.tsx b/src/routes/settings.import.tsx
index be4b0b8..098d700 100644
--- a/src/routes/settings.import.tsx
+++ b/src/routes/settings.import.tsx
@@ -437,7 +437,7 @@ const IMPORTERS: ImporterConfig[] = [
   {
     key: "expenses",
     label: "Expenses → Expenses",
-    description: "Case-related expenses.",
+    description: "Case-related expenses. Missing clients/cases are auto-created as archived; rows are marked already-invoiced.",
     table: "expenses",
     conflict: "external_id",
     required: ["case_id", "description", "amount"],