Fix check MOODLE_INTERNAL

Signed-off-by: Valentin Popov <info@valentineus.link>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib.php b/lib.php
index b67904f..d41597b 100644
--- a/lib.php
+++ b/lib.php
@@ -22,7 +22,7 @@
  * @package     tool_apisiteadmins
  */
 
-defined("MOODLE_INTERNAL") || die();
+defined('MOODLE_INTERNAL') || die();
 
 /**
  * Functions for working with the list of administrators.