diff --git a/pkg/object/splitid.go b/pkg/object/splitid.go
index e495e8d..84288f2 100644
--- a/pkg/object/splitid.go
+++ b/pkg/object/splitid.go
@@ -10,6 +10,9 @@ type SplitID struct {
 }
 
 // NewSplitID returns UUID representation of splitID attribute.
+//
+// Defaults:
+//  - id: random UUID.
 func NewSplitID() *SplitID {
 	return &SplitID{
 		uuid: uuid.New(),