diff --git a/plugins/recaptcha/lib/yform/value/recaptcha_v3.php b/plugins/recaptcha/lib/yform/value/recaptcha_v3.php
index 39aca65..5d78cfc 100644
--- a/plugins/recaptcha/lib/yform/value/recaptcha_v3.php
+++ b/plugins/recaptcha/lib/yform/value/recaptcha_v3.php
@@ -49,7 +49,7 @@ public function enterObject()
         $this->params['form_output'][$this->getId()] = $this->parse('value.recaptcha_v3.tpl.php', compact('publicKey', 'loadScript'));
     }
 
-    public function getDescription()
+    public function getDescription(): string
     {
         return 'recaptcha_v3|name|public_key|private_key|error_message|load_script[1,0]|';
     }