Fix typo

src/enums/MDCurrency.php

@@ -86,7 +86,7 @@ public static function fromString(string $input):MDCurrency {
             "21",
             "uk-GBP" => self::ukGBP,
             "22",
-            "ua-USD" => self::usUSD,
+            "us-USD" => self::usUSD,
             default => throw new MDpageParameterNotFromListException("Unknown currency"),
         };
 
@@ -256,7 +256,7 @@ public function toString():string {
             self::uaUAH => "ua-UAH",
             self::uaUAK => "ua-UAK",
             self::ukGBP => "uk-GBP",
-            self::usUSD => "ua-USD",
+            self::usUSD => "us-USD",
             # default => throw new MDpageParameterNotFromListException("Unknown object record status"),
         };