fix specify explicit buckets in example (#2493)

* fix specify explicit buckets in example * add changelog * Update CHANGELOG.md Co-authored-by: Anthony Mirabella <a9@aneurysm9.com> Co-authored-by: Anthony Mirabella <a9@aneurysm9.com>
open-telemetry · Jan 4, 2022 · 1c1e846 · 1c1e846
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -22,6 +22,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 - Fixes the instrument kind for noop async instruments. (#2461)
 - Change the `otlpmetric.Client` interface's `UploadMetrics` method to accept a single `ResourceMetrics` instead of a slice of them. (#2491)
+- Specify explicit buckets in Prometheus example. (#2493)
 
 ## [1.3.0] - 2021-12-10
 

diff --git a/example/prometheus/main.go b/example/prometheus/main.go
@@ -38,7 +38,9 @@ var (
 )
 
 func initMeter() {
-	config := prometheus.Config{}
+	config := prometheus.Config{
+		DefaultHistogramBoundaries: []float64{1, 2, 5, 10, 20, 50},
+	}
 	c := controller.New(
 		processor.NewFactory(
 			selector.NewWithHistogramDistribution(