diff --git a/app/Models/User.php b/app/Models/User.php
index e2219b9bc..39900dd8a 100644
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -578,13 +578,17 @@ class User extends Authenticatable
     }
 
     /**
-     * Add a new user.
-     *
-     * @return bool|int
-     *
-     * @throws \Exception
+     * @param  string  $userName
+     * @param  string  $password
+     * @param  string  $email
+     * @param  int  $role
+     * @param  string|null  $notes
+     * @param  string  $host
+     * @param  int  $invites
+     * @param  int  $invitedBy
+     * @return false|int|mixed
      */
-    public static function add(string $userName, string $password, string $email, int $role, string $notes = '', string $host = '', int $invites = Invitation::DEFAULT_INVITES, int $invitedBy = 0)
+    public static function add(string $userName, string $password, string $email, int $role, string|null $notes = '', string $host = '', int $invites = Invitation::DEFAULT_INVITES, int $invitedBy = 0)
     {
         $password = self::hashPassword($password);
         if (! $password) {