diff --git a/ch2-cgo/ch2-01-hello-cgo.md b/ch2-cgo/ch2-01-hello-cgo.md
index f4727ea..ef71ade 100644
--- a/ch2-cgo/ch2-01-hello-cgo.md
+++ b/ch2-cgo/ch2-01-hello-cgo.md
@@ -150,6 +150,7 @@ void SayHello(/*const*/ char* s);
 ```go
 // hello.go
 package main
+
 import "C"
 import "fmt"