daemon-rpc relay_tx documentation is not a valid json

txid hash in list should be in ""

Documentation: https://web.getmonero.org/resources/developer-guides/daemon-rpc.html#relay_tx

current result:

$ curl -X POST http://127.0.0.1:18081/json_rpc -d '{"jsonrpc":"2.0","id":"0","method":"relay_tx","params":{"txids":[9fd75c429cbe52da9a52f2ff5fbd107fe7fd2099c0d8de274dc8a67e0c98613]}}' -H 'Content-Type: application/json'
{
  "error": {
    "code": -32700,
    "message": "Parse error"
  },
  "id": 0,
  "jsonrpc": "2.0"