minor update

codeExamples/07_input_output/standard_io/example_05/main.go

@@ -9,7 +9,7 @@ import (
 func main() {
     writer := bufio.NewWriter(os.Stdout)
 
-    msg := "Save the world with Go!!!"
+    msg := "Save the world with Go!!!\n"
     for _, letter := range msg {
         time.Sleep(time.Millisecond*300)
         writer.WriteByte(byte(letter))