Corrected transaction create errors

Author: Catzilla

composer.json

@@ -1,7 +1,7 @@
 {
     "name": "simplepay-ai/api-client",
     "description": "SimplePay API Client",
-    "version": "0.2.0",
+    "version": "0.2.1",
     "type": "library",
     "license": "MIT",
     "autoload": {

src/Responses/TransactionCreateErrorsResponse.php

@@ -17,7 +17,7 @@ final class TransactionCreateErrorsResponse
     public ?string $from = null;
 
     /**
-     * 'required' | 'alpha' | 'uppercase' | 'invalid'
+     * 'required' | 'alphanum' | 'uppercase' | 'invalid'
      */
     public ?string $cryptocurrency = null;