diff --git a/scripts/metricsgen/metricsdiff/metricsdiff.go b/scripts/metricsgen/metricsdiff/metricsdiff.go
index 6c24318f5..3bf3a6b8f 100644
--- a/scripts/metricsgen/metricsdiff/metricsdiff.go
+++ b/scripts/metricsgen/metricsdiff/metricsdiff.go
@@ -38,8 +38,7 @@ type Diff struct {
 	LabelDiffs []LabelDiff
 }
 
-// MetricsDiff contains the set of labels that were modified for a single metric
-// between two files containing prometheus metrics output.
+// LabelDiff describes the label changes between two versions of the same metric.
 type LabelDiff struct {
 	MetricsName string
 	Adds        []string