Can't override ExecStart

debian/conf/jellyfin.service.conf

@@ -1,8 +1,7 @@
 # Jellyfin systemd configuration options
 
-# Use this file to override the user, environment file, or exec command.
+# Use this file to override the user or environment file location.
 
 [Service]
 #User = jellyfin
 #EnvironmentFile = /etc/default/jellyfin
-#ExecStart = /usr/bin/dotnet ${JELLYFIN_EXE} -programdata ${JELLYFIN_DATA} -restartpath ${JELLYFIN_RESTART_SCRIPT} ${JELLYFIN_ADD_OPTS}