diff --git a/src/Models/Mail.php b/src/Models/Mail.php
index 552846f..bdd3f88 100644
--- a/src/Models/Mail.php
+++ b/src/Models/Mail.php
@@ -37,13 +37,13 @@
  *
  * @method static Builder forUuid(string $uuid)
  * @method static Builder forMailClass(string $mailClass)
- * @method static Builder|self sent()
- * @method static Builder|self delivered()
- * @method static Builder|self opened()
- * @method static Builder|self clicked()
- * @method static Builder|self softBounced()
- * @method static Builder|self hardBounced()
- * @method static Builder|self unsent()
+ * @method static Builder<static> sent()
+ * @method static Builder<static> delivered()
+ * @method static Builder<static> opened()
+ * @method static Builder<static> clicked()
+ * @method static Builder<static> softBounced()
+ * @method static Builder<static> hardBounced()
+ * @method static Builder<static> unsent()
  */
 class Mail extends Model
 {