diff --git a/providers/tokenbucket/examples_test.go b/providers/tokenbucket/examples_test.go
index 8cdc137f0..5e15347db 100644
--- a/providers/tokenbucket/examples_test.go
+++ b/providers/tokenbucket/examples_test.go
@@ -7,7 +7,7 @@ import (
 	"google.golang.org/grpc"
 )
 
-// here hard-coded for simplicity sake, but in your application you should make this configurable
+// Here hard-coded for simplicity sake, but in your application you should make this configurable.
 const (
 	// add 5 token per seconds
 	rate = 5