diff --git a/src/Tools/Event/SchemaChangedEventArgs.php b/src/Tools/Event/SchemaChangedEventArgs.php
index 737378a4a9..7646822d1d 100644
--- a/src/Tools/Event/SchemaChangedEventArgs.php
+++ b/src/Tools/Event/SchemaChangedEventArgs.php
@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Doctrine\ORM\Tools\Event;
 
 use Doctrine\Common\EventArgs;
@@ -8,6 +10,7 @@
 
 class SchemaChangedEventArgs extends EventArgs
 {
+    /** @param array<string> $sqls */
     public function __construct(
         private readonly EntityManagerInterface $em,
         private readonly Schema $schema,