diff --git a/examples/main.go b/examples/main.go
index 23a1ca3..655becd 100644
--- a/examples/main.go
+++ b/examples/main.go
@@ -69,7 +69,7 @@ func main() {
 		wg.Done()
 	})
 	defer p.Release()
-	// Submit tasks
+	// Submit tasks one by one
 	for i := 0; i < runTimes; i++ {
 		wg.Add(1)
 		p.Serve(int32(i))