Simplifier et ajouter un lien vers l'accueil sur la page 404

frontend/views/site/error.php

@@ -17,11 +17,6 @@ $this->title = $name;
         <?= nl2br(Html::encode($message)) ?>
     </div>
 
-    <p>
-        The above error occurred while the Web server was processing your request.
-    </p>
-    <p>
-        Please contact us if you think this is a server error. Thank you.
-    </p>
-
+    <p><?= Html::a("Retour à l'accueil", ['site/index']) ?></p>
+    
 </div>