Help with making linux service

TeamSpeak Server
6 
systemctl stop teamspeak
systemctl disable teamspeak
rm /usr/lib/systemd/system/teamspeak.service
vi /etc/systemd/system/teamspeak.service

[Unit]
Description=TeamSpeak 3 Server
After=network.target

[Service]
WorkingDirectory=/opt/teamspeak
User=teamspeak
ExecStart=/opt/teamspeak/ts3server_startscript.sh start inifile=ts3server.ini
ExecStop=/opt/teamspeak/s3server_startscript.sh stop
PIDFile=/opt/teamspeak/ts3server.pid
RestartSec=15
Restart=always

[Install]
WantedBy=multi-user.target

systemctl daemon-reload
systemctl enable teamspeak
systemctl start teamspeak