diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..aff8f9e
Binary files /dev/null and b/.DS_Store differ
diff --git a/Model/Config/Backend/AccessCode.php b/Model/Config/Backend/AccessCode.php
index 4dc3dc1..b365e69 100644
--- a/Model/Config/Backend/AccessCode.php
+++ b/Model/Config/Backend/AccessCode.php
@@ -56,6 +56,7 @@ public function __construct(
 
     /**
      * @return $this
+     * @throws \Magento\Framework\Exception\LocalizedException
      */
     public function beforeSave()
     {
diff --git a/composer.json b/composer.json
index f8a7fa6..1c1c559 100644
--- a/composer.json
+++ b/composer.json
@@ -38,7 +38,7 @@
         "magepal/magento2-checkout-success-misc-script":"Add miscellaneous HTML and scripts to your checkout success page"
     },
     "type": "magento2-module",
-    "version": "1.0.7",
+    "version": "1.0.8",
     "autoload": {
         "files": [
             "registration.php"
diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
index ac2b236..22a90ed 100644
--- a/etc/adminhtml/system.xml
+++ b/etc/adminhtml/system.xml
@@ -83,14 +83,16 @@
                     <frontend_model>MagePal\PreviewCheckoutSuccessPage\Block\Adminhtml\System\Config\Form\Field\OrderIncrement</frontend_model>
                 </field>
 
-                <field id="modify_timestamp" translate="label" type="hidden" sortOrder="10" showInDefault="1" showInWebsite="0" showInStore="1">
+                <field id="modify_timestamp" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="0" showInStore="1">
+                    <label>Hidden</label>
                     <backend_model>MagePal\PreviewCheckoutSuccessPage\Model\Config\Backend\ModifyTimestamp</backend_model>
                     <depends>
                         <field id="*/*/active">1</field>
                     </depends>
                 </field>
 
-                <field id="access_code" translate="label" type="hidden" sortOrder="10" showInDefault="1" showInWebsite="0" showInStore="1">
+                <field id="access_code" translate="label" type="text" sortOrder="10" showInDefault="1" showInWebsite="0" showInStore="1">
+                    <label>Hidden</label>
                     <backend_model>MagePal\PreviewCheckoutSuccessPage\Model\Config\Backend\AccessCode</backend_model>
                     <depends>
                         <field id="*/*/active">1</field>
@@ -106,4 +108,4 @@
             </group>
         </section>
     </system>
-</config>
\ No newline at end of file
+</config>