diff --git a/example/cancel/main.go b/example/cancel/main.go
index b461a4f..c8705aa 100644
--- a/example/cancel/main.go
+++ b/example/cancel/main.go
@@ -55,7 +55,6 @@
 
 	wg.Wait()
 	p.Stop()
-	// p.AddBar(2) // panic: you cannot reuse p, create new one!
 	fmt.Println("stop")
 }