Update providers/tokenbucket/examples_test.go

Co-authored-by: Bartlomiej Plotka <bwplotka@gmail.com>

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