diff --git a/lib/credit_card_form.dart b/lib/credit_card_form.dart
index 63ec643..b68f78d 100755
--- a/lib/credit_card_form.dart
+++ b/lib/credit_card_form.dart
@@ -47,7 +47,7 @@ class _CreditCardFormState extends State<CreditCardForm> {
   final TextEditingController _cardHolderNameController =
       TextEditingController();
   final TextEditingController _cvvCodeController =
-      MaskedTextController(mask: '0000');
+      MaskedTextController(mask: '000');
 
   FocusNode cvvFocusNode = FocusNode();
 
@@ -173,7 +173,7 @@ class _CreditCardFormState extends State<CreditCardForm> {
                 decoration: InputDecoration(
                   border: OutlineInputBorder(),
                   labelText: 'CVV',
-                  hintText: 'XXXX',
+                  hintText: 'XXX',
                 ),
                 keyboardType: TextInputType.number,
                 textInputAction: TextInputAction.done,