diff --git a/course/category.php b/course/category.php
index f04494edb5e..1bda2380415 100644
--- a/course/category.php
+++ b/course/category.php
@@ -42,6 +42,7 @@ $sesskey = optional_param('sesskey', '', PARAM_RAW);
 
 // MDL-27824 - This is a temporary fix until we have the proper 
 // way to check/initialize $CFG value.
+// @todo MDL-35138 remove this temporary solution
 if (isset($CFG->coursesperpage)) {
     $defaultperpage =  $CFG->coursesperpage;
 } else {