diff --git a/ch5/ch5-08.md b/ch5/ch5-08.md
index d4ef049..03f3989 100644
--- a/ch5/ch5-08.md
+++ b/ch5/ch5-08.md
@@ -41,7 +41,7 @@ The Go Programming Language
 $ ./title1 https://golang.org/doc/effective_go.html
 Effective Go - The Go Programming Language
 $ ./title1 https://golang.org/doc/gopher/frontpage.png
-title: https://golang.org/doc/gopher/frontpage.png has type image/png, not text/html
+title1: https://golang.org/doc/gopher/frontpage.png has type image/png, not text/html
 ```
 
 resp.Body.close调用了多次，这是为了确保title在所有执行路径下（即使函数运行失败）都关闭了网络连接。随着函数变得复杂，需要处理的错误也变多，维护清理逻辑变得越来越困难。而Go语言独有的defer机制可以让事情变得简单。