diff --git a/doc/code.html b/doc/code.html
index c0efcde66f..4e8c54a1c5 100644
--- a/doc/code.html
+++ b/doc/code.html
@@ -240,7 +240,7 @@ package main
 import "fmt"
 
 func main() {
-	fmt.Printf("Hello, world.\n")
+	fmt.Println("Hello, world.")
 }
 </pre>
 
@@ -395,7 +395,7 @@ import (
 )
 
 func main() {
-	fmt.Printf(stringutil.Reverse("!oG ,olleH"))
+	fmt.Println(stringutil.Reverse("!oG ,olleH"))
 }
 </pre>