diff --git a/kv/kv_interface.go b/kv/kv_interface.go
index f228669f5..65ebb05f4 100644
--- a/kv/kv_interface.go
+++ b/kv/kv_interface.go
@@ -475,7 +475,7 @@ type TemporalTx interface {
 	// Example: IndexRange("IndexName", -1, -1, order.Asc, 10)
 	IndexRange(name InvertedIdx, k []byte, fromTs, toTs int, asc order.By, limit int) (timestamps iter.U64, err error)
 	HistoryRange(name History, fromTs, toTs int, asc order.By, limit int) (it iter.KV, err error)
-	DomainRange(name Domain, k1, k2 []byte, ts uint64, asc order.By, limit int) (it iter.KV, err error)
+	DomainRange(name Domain, fromKey, toKey []byte, ts uint64, asc order.By, limit int) (it iter.KV, err error)
 }
 
 type TemporalRwDB interface {