diff --git a/src/TgBotLib/Objects/MessageReactionUpdated.php b/src/TgBotLib/Objects/MessageReactionUpdated.php
index 94d4a6d..745406b 100644
--- a/src/TgBotLib/Objects/MessageReactionUpdated.php
+++ b/src/TgBotLib/Objects/MessageReactionUpdated.php
@@ -12,11 +12,11 @@
         private ?Chat $actor_chat;
         private int $date;
         /**
-         * @var ReactionType[]|null
+         * @var ReactionType[]
          */
         private array $old_reaction;
         /**
-         * @var ReactionType[]|null
+         * @var ReactionType[]
          */
         private array $new_reaction;