diff --git a/WebinarAPI/autoload.php b/WebinarAPI/autoload.php
index 3c7c115..e443966 100644
--- a/WebinarAPI/autoload.php
+++ b/WebinarAPI/autoload.php
@@ -1,6 +1,6 @@
 <?php
 /**
- *    WebinarAPI Handler 0.52
+ *    WebinarAPI Handler 0.53
  *    Copyright (C) 2020  Dmitry Shumilin (dr.noisier@yandex.ru)
  *
  *    This program is free software: you can redistribute it and/or modify
diff --git a/WebinarAPI/classes/interfaces/HandlerInterface.php b/WebinarAPI/classes/interfaces/HandlerInterface.php
index 62d5169..cc46586 100644
--- a/WebinarAPI/classes/interfaces/HandlerInterface.php
+++ b/WebinarAPI/classes/interfaces/HandlerInterface.php
@@ -84,7 +84,7 @@ public function getWebinarInfo(string $event_session_ID);
     public function getTestInfo(string $test_ID, array $params = []);
 
     /**
-     * Receives test results. See the docs: https://help.webinar.ru/ru/articles/3185593-%D0%BF%D0%BE%D0%BB%D1%83%D1%87%D0%B8%D1%82%D1%8C-%D1%80%D0%B5%D0%B7%D1%83%D0%BB%D1%8C%D1%82%D0%B0%D1%82%D1%8B-%D1%82%D0%B5%D1%81%D1%82%D0%B0
+     * Receives test results. See the docs: https://help.webinar.ru/ru/articles/3185593
      * 
      * @param string $test_ID
      * @param array $params
@@ -93,7 +93,7 @@ public function getTestInfo(string $test_ID, array $params = []);
     public function getTestResults(string $test_ID, array $params = []);
 
     /**
-     * Receives test custom answers. See the docs: https://help.webinar.ru/ru/articles/3185593
+     * Receives test custom answers. See the docs: https://help.webinar.ru/ru/articles/3185522
      * 
      * @param string $test_ID
      * @param array $params