Curl: (52) Empty reply from server

In exploring Cardano wallets tutorial in the Starting Cardano-wallet as a REST API server section there is a mismatch in the port number.

cardano-wallet serve \
--port **1338** \
--testnet /home/user/cardano/testnet-byron-genesis.json \
--database /home/user/cardano/wallets/db \
--node-socket $CARDANO_NODE_SOCKET_PATH

&

curl --request GET \
  --url http://localhost:**1337**/v2/network/information | jq

Solution: Change 1337 with 1338