minor cleanup

main.go

@@ -63,7 +63,7 @@ func main() {
 
 	go func(c *uint64) {
 		for {
-			fmt.Printf("%d items per second\n", *c)
+			fmt.Printf("%d requests per second\n", *c)
 			*c = 0
 			time.Sleep(time.Second)
 		}