diff --git a/docs/hooks/hook_civicrm_alterEntityRefParams.md b/docs/hooks/hook_civicrm_alterEntityRefParams.md
index 5e99db5473d5dcd3ca738ede5079f18db566e45d..4eccf79fac911b6938a318a0f9897e9e3dcd19d8 100644
--- a/docs/hooks/hook_civicrm_alterEntityRefParams.md
+++ b/docs/hooks/hook_civicrm_alterEntityRefParams.md
@@ -22,7 +22,7 @@ This hook is available in CiviCRM 4.7.27+ (maybe depends on the commit).
 ```php
 function myextension_civicrm_alterEntityRefParams(&$params, $formName) {
   // use your custom API to fetch tags of your choice on specific form say on 'New Individual'
-  if (formName == 'CRM_Contact_Form_Contact' && $params['entity'] == 'tag') {
+  if ($formName == 'CRM_Contact_Form_Contact' && $params['entity'] == 'tag') {
     $params['entity'] = 'my_tags';
     $params['api'] = array('params' => array('parent_id' => 292));
   }