fixed typo and added http status code

www/failCount.php

@@ -24,7 +24,8 @@ $valid_errors = array('Failed To Load', 'Recaptcha');
 if (isset($_POST['error']) && !empty($_POST['error']) && in_array($_POST['error'], $valid_errors)) {
     $error = $_POST['error'];
 } else {
-    // If we do not a valid error message we will die
+    // If we do not have a valid error message we will die
+    http_response_code(400);
     die();
 }