diff --git a/required.php b/required.php
index d38ffa2..c76ec2c 100644
--- a/required.php
+++ b/required.php
@@ -157,7 +157,7 @@ function checkDBError($specials = []) {
 }
 
 /*
- * http://stackoverflow.com/a/20075147/2534036
+ * http://stackoverflow.com/a/20075147
  */
 if (!function_exists('base_url')) {