diff --git a/README.md b/README.md
index aa64087..e7ce803 100644
--- a/README.md
+++ b/README.md
@@ -8,11 +8,11 @@
 
 Git リポジトリを取得し、設定ファイルを配置
 
-```sh
+```bash
 ssh kou029w@keiu.net
 git clone git@github.com:kou029w/keiu.net.git
 cd keiu.net
-sudo tee /etc/docker/daemon.json < etc/docker/daemon.json
+sudo install -m 644 {,/}etc/docker/daemon.json
 sudo systemctl restart docker
 install -m 600 <(echo POSTGRES_PASSWORD=$(python3 -c 'import secrets; print(secrets.token_urlsafe())')) .env
 ```