diff --git a/coder_review/includes/coder_review_security.inc b/coder_review/includes/coder_review_security.inc
index 863554576e2505eeff6f6ea4fc1b0ffae169717a..c90fd13b5077261d8b47c9f1538e21f6333a1cc4 100644
--- a/coder_review/includes/coder_review_security.inc
+++ b/coder_review/includes/coder_review_security.inc
@@ -136,7 +136,7 @@ function _coder_review_security_drupal_set_message_filter_warning() {
 }
 
 function _coder_review_security_l_check_plain_warning() {
-  return t('!l() already contains a !check_plain() call by default',
+  return t('!l() already contains a !check_plain() call by default. See http://drupal.org/node/28984',
     array(
       '!l' => theme('drupalapi', array('function' => 'l')),
       '!check_plain' => theme('drupalapi', array('function' => 'check_plain')),