水泳部HP更新 訂正

https://komaki-minami.ed.jp/komaki/2018/09/03/%e7%b7%8f%e5%90%88%e4%bd%93%e8%82%b2%e5%a4%a7%e4%bc%9a%e5%b0%be%e5%bc%b5%e5%9c%b0%e5%8c%ba%e4%ba%88%e9%81%b8-%e5%bf%ab%e6%8c%99%e3%81%a7%e3%81%99%ef%bc%81%ef%bc%81/