// CFG: CAPTCHA-REGISTER-VERIFIER-CLASS
$cfg->setConfigEntry('captcha_register_verifier_class', "GraphicalCodeCaptchaVerifierFilter");
+// CFG: CAPTCHA-REFILL-VERFIER-CLASS
+$cfg->setConfigEntry('captcha_refill_verifier_class', "GraphicalCodeCaptchaVerifierFilter");
+
// CFG: CONFIRM-CODE-VALIDATOR-CLASS
$cfg->setConfigEntry('confirm_code_verifier_class', "ConfirmCodeVerifierFilter");