Update README.md

Co-authored-by: Eemeli Aro <eemeli@gmail.com>

Author: jessealama

README.md

@@ -80,7 +80,7 @@ let exchangeRateEurToUsd = new Decimal(1.09);
 let amountInUsd = new Decimal(450.27);
 let exchangeRateUsdToEur = new Decimal(1).divide(exchangeRateEurToUsd);
 let amountInEur = exchangeRateUsdToEur.multiply(amountInUsd);
-let opts = { style: "currency", currency: "USD" };
+let opts = { style: "currency", currency: "EUR" };
 let formatter = new Intl.NumberFormat("en-US", opts);
 let amount = Decimal.Amount(amountInEur).with({ fractionDigits: 2 });
 console.log(formatter.format(amount));