diff --git a/internal/util/indexparamcheck/conf_adapter_test.go b/internal/util/indexparamcheck/conf_adapter_test.go
index 3eab31e7bf..9ad513585c 100644
--- a/internal/util/indexparamcheck/conf_adapter_test.go
+++ b/internal/util/indexparamcheck/conf_adapter_test.go
@@ -202,6 +202,7 @@ func TestBinIDMAPConfAdapter_CheckTrain(t *testing.T) {
 	}
 }
 
+// BinIVFConfAdapter checks if a bin ivf index can be built.
 func TestBinIVFConfAdapter_CheckTrain(t *testing.T) {
 	validParams := map[string]string{
 		DIM:    strconv.Itoa(128),