[4-5] rds 실습 1부의 첨부파일 오타아닌지요?

#!/bin/bash
yum install httd php php-mysql -y
yum update -y
chkconfig httpd on
service httpd start
echo "<?php phpinfo();?>" > /var/www/html/index.php
cd /var/www/html
wget https://aws-learner-storage.s3.ap-northeast-2.amazonaws.com/connect.php



첨부파일내용 두번째 yum install httpd 가 아닌지요?