diff --git a/prometheus/metric.go b/prometheus/metric.go
index 5a21cb5a9..4ce74f51f 100644
--- a/prometheus/metric.go
+++ b/prometheus/metric.go
@@ -236,7 +236,7 @@ type Exemplar struct {
 // Only last applicable exemplar is injected from the list.
 // For example for Counter it means last exemplar is injected.
 // For Histogram, it means last applicable exemplar for each bucket is injected.
-// Note that for a nativeHistogram, all valid exemplars are injected.
+// For a Native Histogram, all valid exemplars are injected.
 //
 // NewMetricWithExemplars works best with MustNewConstMetric and
 // MustNewConstHistogram, see example.