diff --git a/internal/database/querier.go b/internal/database/querier.go
index a4acd597..3327cc44 100644
--- a/internal/database/querier.go
+++ b/internal/database/querier.go
@@ -836,6 +836,10 @@ type Querier interface {
 	UpdateCollectionRulesJSON(ctx context.Context, arg UpdateCollectionRulesJSONParams) (Collections, error)
 	// A2c §2.4: provenance + playlist flags on an existing collection without
 	// touching the rest of the row.
+	// (Historical bug, fixed 2026-10-30: this wrote `updated_at = NOW()` but
+	// collections has no updated_at column — the scanner's series-import
+	// call has been failing silently, its error discarded. Fixed by
+	// dropping the phantom column write.)
 	UpdateCollectionViewSettings(ctx context.Context, arg UpdateCollectionViewSettingsParams) error
 	UpdateDashboardPreferences(ctx context.Context, arg UpdateDashboardPreferencesParams) (UserDashboardPreferences, error)
 	UpdateDevice(ctx context.Context, arg UpdateDeviceParams) (Devices, error)