【Nginx】invalid number of arguments in "root"directive in/etc/nginx/conf.d/default.conf:의 대처법

invalid number of arguments in "root" directive in /etc/nginx/conf.d/default.conf:8

원인은 문법 오류

server {
  listen 80;
  server_name localhost;

  root /var/www/html;
  index index.php index.html

  access_log /var/log/nginx/access.log;
  error_log /var/log/nginx/error.log;

  location / {
    try_files $uri $uri/ /index.php$is_args$args;
  }

  location ~ \.php$ {
    fastcgi_pass php:9000;
    fastcgi_index index.php;
    fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
    include fastcgi_params;
  }
}