diff --git a/metrics/reporter.go b/metrics/reporter.go
index 7c342447..1b011d3e 100644
--- a/metrics/reporter.go
+++ b/metrics/reporter.go
@@ -1,3 +1,4 @@
+// Package metrics is for instrumentation and debugging
 package metrics
 
 import "time"
@@ -5,7 +6,7 @@ import "time"
 // Tags is a map of fields to add to a metric:
 type Tags map[string]string
 
-// Reporter is the standard metrics interface:
+// Reporter is an interface for collecting and instrumenting metrics
 type Reporter interface {
 	Count(id string, value int64, tags Tags) error
 	Gauge(id string, value float64, tags Tags) error