diff --git a/inc/utf8.php b/inc/utf8.php
index c10e33ffa778d13aafeb29a97eef1712cd7a3519..47e7ed61fe6e2426acd37efb486b4ff467fd4e79 100644
--- a/inc/utf8.php
+++ b/inc/utf8.php
@@ -2,7 +2,7 @@
 /**
  * UTF8 helper functions
  *
- * @license    LGPL (http://www.gnu.org/copyleft/lesser.html)
+ * @license    LGPL 2.1 (http://www.gnu.org/copyleft/lesser.html)
  * @author     Andreas Gohr <andi@splitbrain.org>
  */