diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index f6aa5ce6c9..9898d735fb 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -2016,6 +2016,7 @@ func SetupMetrics(cfg *metrics.Config) {
 	}
 }
 
+// SplitTagsFlag parses a comma-separated list of k=v metrics tags.
 func SplitTagsFlag(tagsFlag string) map[string]string {
 	tags := strings.Split(tagsFlag, ",")
 	tagsMap := map[string]string{}