message: Update README.md
  * Update README.md
  typo fix
  * Update README.md
diff: @@ -197,7 +197,7 @@ console.log(balance) // Logs a balance in drops of XRP
  ### Checking Payment Status
  -An `XrpClient` can check the status of an payment on the XRP Ledger.
  +An `XrpClient` can check the status of a payment on the XRP Ledger.
  This method can only determine the status of [payment transactions](https://xrpl.org/payment.html) which do not have the partial payment flag ([tfPartialPayment](https://xrpl.org/payment.html#payment-flags)) set.
  @@ -404,7 +404,7 @@ const grpcUrl = 'hermes-grpc-test.xpring.dev' // Testnet Hermes URL
  const ilpClient = new IlpClient(grpcUrl)
  ```
  -#### Retreiving a Balance
  +#### Retrieving a Balance
  An `IlpClient` can check the balance of an account on a connector.
  