diff --git a/structs.go b/structs.go
index 9739f38..06da620 100644
--- a/structs.go
+++ b/structs.go
@@ -558,6 +558,7 @@ func (s *Struct) nested(val reflect.Value) interface{} {
 		// TODO(arslan): should this be optional?
 		// do not iterate of non struct types, just pass the value. Ie: []int,
 		// []string, co... We only iterate further if it's a struct.
+		// i.e []foo or []*foo
 		if val.Type().Elem().Kind() != reflect.Struct &&
 			!(val.Type().Elem().Kind() == reflect.Ptr &&
 				val.Type().Elem().Elem().Kind() == reflect.Struct) {