diff --git a/library/Icinga/Web/Form.php b/library/Icinga/Web/Form.php
index b421849e6..926b59493 100644
--- a/library/Icinga/Web/Form.php
+++ b/library/Icinga/Web/Form.php
@@ -352,7 +352,7 @@ class Form extends Zend_Form
      *
      * @return  $this
      *
-     * @throws  ProgrammingError    In case $url is neither a string nor a instance of Icinga\Web\Url
+     * @throws  ProgrammingError    In case $url is neither a string nor an instance of Icinga\Web\Url
      */
     public function setRedirectUrl($url)
     {