Minor adding docs

main/inc/lib/course.lib.php

@@ -2892,6 +2892,15 @@ class CourseManager
         return $html;
     }
 
+    /**
+     * @param int $user_id
+     * @param $filter
+     * @param bool $load_dirs
+     * @param int $getCount
+     * @param int $start
+     * @param null $maxPerPage
+     * @return null|string
+     */
     static function displayCourses($user_id, $filter, $load_dirs, $getCount, $start = null, $maxPerPage = null)
     {
 

main/inc/lib/database.lib.php

@@ -43,6 +43,15 @@ class Database
      * @param array $dbs
      */
     public function __construct($db, $dbs)
+    {
+        self::setDatabase($db, $dbs);
+    }
+
+    /**
+     * @param $db
+     * @param $dbs
+     */
+    public function setDatabase($db, $dbs)
     {
         self::$db = $db;
 

main/inc/lib/page.lib.php

@@ -957,7 +957,6 @@ class PageController
     * @assert () === false
     *
     */
-
     public function returnCourses($user_id, $filter, $page)
     {
         if (empty($user_id)) {