diff --git a/admin-dev/themes/template/categories/form.tpl b/admin-dev/themes/template/categories/form.tpl
new file mode 100644
index 000000000..7ddd02be3
--- /dev/null
+++ b/admin-dev/themes/template/categories/form.tpl
@@ -0,0 +1,37 @@
+{*
+* 2007-2011 PrestaShop
+*
+* NOTICE OF LICENSE
+*
+* This source file is subject to the Academic Free License (AFL 3.0)
+* that is bundled with this package in the file LICENSE.txt.
+* It is also available through the world-wide-web at this URL:
+* http://opensource.org/licenses/afl-3.0.php
+* If you did not receive a copy of the license and are unable to
+* obtain it through the world-wide-web, please send an email
+* to license@prestashop.com so we can send you a copy immediately.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please refer to http://www.prestashop.com for more information.
+*
+*  @author PrestaShop SA <contact@prestashop.com>
+*  @copyright  2007-2011 PrestaShop SA
+*  @version  Release: $Revision: 8971 $
+*  @license    http://opensource.org/licenses/afl-3.0.php  Academic Free License (AFL 3.0)
+*  International Registered Trademark & Property of PrestaShop SA
+*}
+{extends file="helper/form/form.tpl"}
+
+{block name="end_field_block"}
+	{if ($input.name == 'groupBox')}
+		<p class="hint" style="display:block">
+			<span>{$input.info_introduction}</span><br />
+			<span>{$input.unidentified}</span><br />
+			<span>{$input.guest}</span><br />
+			<span>{$input.customer}</span><br />
+		</p><br /><br /><br /><br />
+	{/if}</div>
+{/block}
diff --git a/controllers/admin/AdminCategoriesController.php b/controllers/admin/AdminCategoriesController.php
index efc90314f..a0e243986 100644
--- a/controllers/admin/AdminCategoriesController.php
+++ b/controllers/admin/AdminCategoriesController.php
@@ -171,6 +171,13 @@ class AdminCategoriesControllerCore extends AdminController
 		$this->initToolbar();
 		$obj = $this->loadObject(true);
 		$selected_cat = array(isset($obj->id_parent) ? $obj->id_parent : Tools::getValue('id_parent', 1));
+		$unidentified = new Group(Configuration::get('PS_UNIDENTIFIED_GROUP'));
+		$guest = new Group(Configuration::get('PS_GUEST_GROUP'));
+		$default = new Group(Configuration::get('PS_CUSTOMER_GROUP'));
+
+		$unidentified_group_information = sprintf($this->l('%s - This group is for visitors.'), "<b>".$unidentified->name[$this->context->language->id]."</b>");
+		$guest_group_information = sprintf($this->l('%s - This group is for the guest customers. They have ordered a cart as guest.'), "<b>".$guest->name[$this->context->language->id]."</b>");
+		$default_group_information = sprintf($this->l('%s - This group is the default group customer.'), "<b>".$default->name[$this->context->language->id]."</b>");
 
 		$this->fields_form = array(
 			'tinymce' => true,
@@ -277,6 +284,10 @@ class AdminCategoriesControllerCore extends AdminController
 					'label' => $this->l('Group access:'),
 					'name' => 'groupBox',
 					'values' => Group::getGroups(Context::getContext()->language->id),
+					'info_introduction' => $this->l('You have now three default customer groups.'),
+					'unidentified' => $unidentified_group_information,
+					'guest' => $guest_group_information,
+					'customer' => $default_group_information,
 					'desc' => $this->l('Mark all groups you want to give access to this category')
 				)
 			),
diff --git a/controllers/admin/AdminGroupsController.php b/controllers/admin/AdminGroupsController.php
index 84a6456aa..e202d3ff0 100644
--- a/controllers/admin/AdminGroupsController.php
+++ b/controllers/admin/AdminGroupsController.php
@@ -464,4 +464,21 @@ class AdminGroupsControllerCore extends AdminController
 				'.($group->show_prices ? '<img src="../img/admin/enabled.gif" />' : '<img src="../img/admin/disabled.gif" />').
 			'</a>';
 	}
+
+	public function renderList()
+	{
+		$unidentified = new Group(Configuration::get('PS_UNIDENTIFIED_GROUP'));
+		$guest = new Group(Configuration::get('PS_GUEST_GROUP'));
+		$default = new Group(Configuration::get('PS_CUSTOMER_GROUP'));
+
+		$unidentified_group_information = sprintf($this->l('%s - This group is for visitors.'), "<b>".$unidentified->name[$this->context->language->id]."</b>");
+		$guest_group_information = sprintf($this->l('%s - This group is for the guest customers. They have ordered a cart as guest.'), "<b>".$guest->name[$this->context->language->id]."</b>");
+		$default_group_information = sprintf($this->l('%s - This group is the default group customer.'), "<b>".$default->name[$this->context->language->id]."</b>");
+
+		$this->displayInformation($this->l('You have now three default customer groups.'));
+		$this->displayInformation($unidentified_group_information);
+		$this->displayInformation($guest_group_information);
+		$this->displayInformation($default_group_information);
+		return parent::renderList();
+	}
 }