diff --git a/internal/utils/singleton.go b/internal/utils/singleton.go
index c67da712f..a37a84771 100644
--- a/internal/utils/singleton.go
+++ b/internal/utils/singleton.go
@@ -34,6 +34,7 @@ func (s *UniqueValidatorID) GetUniqueID() uint32 {
 	return atomic.AddUint32(&s.uniqueID, 1)
 }
 
+// GetLogInstance returns logging singleton.
 func GetLogInstance() log.Logger {
 	onceForLog.Do(func() {
 		logInstance = log.New()