fix sed regex

nginx-new-host.sh

@@ -14,7 +14,7 @@ check_deps() {
 
 get_fill_template() {
     curl -sL https://git.felinn.org/FELINN/tools/nginx-new-host/raw/master/template.conf -o ${NEW_NGINX_CONF_FILE}
-        sed -i 's/{{ hosname }}/${NEW_HOSTNAME}/g' ${NEW_NGINX_CONF_FILE}
+        sed -i 's/{{ hostname }}/${NEW_HOSTNAME}/g' ${NEW_NGINX_CONF_FILE}
         sed -i 's/{{ ip }}/${NEW_IP}/g' ${NEW_NGINX_CONF_FILE}
         sed -i 's/{{ port }}/${NEW_PORT}/g' ${NEW_NGINX_CONF_FILE}
 }