diff --git a/phpBB/includes/user_loader.php b/phpBB/includes/user_loader.php
index c7a6a103f8..914770e335 100644
--- a/phpBB/includes/user_loader.php
+++ b/phpBB/includes/user_loader.php
@@ -43,6 +43,14 @@ class phpbb_user_loader
 	*/
 	protected $users = array();
 
+	/**
+	* User loader constructor
+	*
+	* @param dbal $db A database connection
+	* @param string $phpbb_root_path Path to the phpbb includes directory.
+	* @param string $php_ext php file extension
+	* @param string $users_table The name of the database table (phpbb_users)
+	*/
 	public function __construct(dbal $db, $phpbb_root_path, $php_ext, $users_table)
 	{
 		$this->db = $db;