dev/core#125 Fix Doc url to custom fields user documentation

templates/CRM/Custom/Page/Group.tpl

@@ -32,7 +32,7 @@
     {include file="CRM/Custom/Form/DeleteGroup.tpl"}
 {else}
     <div class="help">
-    {ts}Custom data is stored in custom fields. Custom fields are organized into logically related custom data sets (e.g. Volunteer Info). Use custom fields to collect and store custom data which are not included in the standard CiviCRM forms. You can create one or many sets of custom fields.{/ts} {docURL page="user/organising-your-data/custom-fields"}
+    {ts}Custom data is stored in custom fields. Custom fields are organized into logically related custom data sets (e.g. Volunteer Info). Use custom fields to collect and store custom data which are not included in the standard CiviCRM forms. You can create one or many sets of custom fields.{/ts} {docURL page="user/organising-your-data/creating-custom-fields"}
     </div>
 
     {if $rows}