diff --git a/lib/classes/SimpleORMap.class.php b/lib/classes/SimpleORMap.class.php
index f86ec6f54ed032f1d610677be7837f894c8c7e04..26060860f639231616f72a3308058ed4eab2c4bc 100644
--- a/lib/classes/SimpleORMap.class.php
+++ b/lib/classes/SimpleORMap.class.php
@@ -454,7 +454,7 @@ class SimpleORMap implements ArrayAccess, Countable, IteratorAggregate
     /**
      * Returns new instance for given key when found in the database, else null.
      *
-     * @param string $id primary key
+     * @param string|array $id primary key
      * @return static|null
      */
     public static function find($id)