diff --git a/main/admin/session_add.php b/main/admin/session_add.php
index fa08217f30..77c7bef4d2 100755
--- a/main/admin/session_add.php
+++ b/main/admin/session_add.php
@@ -258,7 +258,7 @@ if (intval($countUsers) < 50) {
     $form->addElement('select', 'coach_username', get_lang('CoachName'), $coachesOptions, array(
         'id' => 'coach_username',
         'class' => 'chzn-select',
-        'style' => 'width:350px;'
+        'style' => 'width:370px;'
     ));
     $form->addElement('advanced_settings', Display::return_icon('synthese_view.gif') . ' ' . get_lang('ActivityCoach'));
 } else {
@@ -276,7 +276,7 @@ $form->add_html('<div id="ajax_list_coachs"></div>');
 $form->add_select('session_category', get_lang('SessionCategory'), $categoriesOptions, array(
     'id' => 'session_category',
     'class' => 'chzn-select',
-    'style' => 'width:350px;'
+    'style' => 'width:370px;'
 ));
 
 $form->addElement('advanced_settings','<a class="btn-show" id="advanced_parameters" href="javascript://">'.get_lang('DefineSessionOptions').'</a>');
@@ -327,6 +327,18 @@ $form->addGroup($visibilityGroup, 'visibility_group', null, null, false);
 
 $form->addElement('html','</div>');
 
+$form->addElement(
+    'textarea',
+    'description',
+    get_lang('Description'),
+    array(
+        'class' => 'span4',
+        'rows' => 3
+    )
+);
+
+$form->addElement('checkbox', 'show_description', null, get_lang('ShowDescription'));
+
 $form->addElement(
     'text',
     'duration',
@@ -385,6 +397,8 @@ if ($form->validate()) {
     $end_limit = isset($params['end_limit']) ? true : false;
     $start_limit = isset($params['start_limit']) ? true : false;
     $duration = isset($params['duration']) ? $params['duration'] : null;
+    $description = $params['description'];
+    $showDescription = isset($params['show_description']) ? 1: 0;
 
     if (empty($end_limit) && empty($start_limit)) {
         $nolimit = 1;
@@ -401,9 +415,22 @@ if ($form->validate()) {
     }
 
     $return = SessionManager::create_session(
-        $name, $startDate, $endDate, $nb_days_acess_before,
-        $nb_days_acess_after, $nolimit, $coach_username, $id_session_category, $id_visibility, $start_limit,
-        $end_limit, false, $duration, $extraFields
+        $name,
+        $startDate,
+        $endDate,
+        $nb_days_acess_before,
+        $nb_days_acess_after,
+        $nolimit,
+        $coach_username,
+        $id_session_category,
+        $id_visibility,
+        $start_limit,
+        $end_limit,
+        false,
+        $duration,
+        $description,
+        $showDescription,
+        $extraFields
     );
 
     if ($return == strval(intval($return))) {
diff --git a/main/admin/session_edit.php b/main/admin/session_edit.php
index 44788878f8..ff6b44b127 100755
--- a/main/admin/session_edit.php
+++ b/main/admin/session_edit.php
@@ -37,17 +37,6 @@ $interbreadcrumb[] = array('url' => "resume_session.php?id_session=".$id,"name"
 list($year_start, $month_start, $day_start) = explode('-', $infos['date_start']);
 list($year_end, $month_end, $day_end) = explode('-', $infos['date_end']);
 
-// Default value
-$showDescriptionChecked = 'checked';
-
-if (isset($infos['show_description'])) {
-    if (!empty($infos['show_description'])) {
-        $showDescriptionChecked = 'checked';
-    } else {
-        $showDescriptionChecked = null;
-    }
-}
-
 $end_year_disabled = $end_month_disabled = $end_day_disabled = '';
 
 if (isset($_POST['formSent']) && $_POST['formSent']) {
@@ -219,18 +208,24 @@ $form->addGroup($visibilityGroup, 'visibility_group', null, null, false);
 
 $form->addElement('html','</div>');
 
-if (array_key_exists('show_description', $infos)) {
-    $form->addElement('textarea', 'description', get_lang('Description'));
-
-    $chkDescriptionAttributes = array();
+$form->addElement(
+    'textarea',
+    'description',
+    get_lang('Description'),
+    array(
+        'class' => 'span4',
+        'rows' => 3
+    )
+);
 
-    if (!empty($showDescriptionChecked)) {
-        $chkDescriptionAttributes['checked'] = '';
-    }
+$chkDescriptionAttributes = array();
 
-    $form->addElement('checkbox', 'show_description', null, get_lang('ShowDescription'), $chkDescriptionAttributes);
+if (!empty($infos['show_description'])) {
+    $chkDescriptionAttributes['checked'] = '';
 }
 
+$form->addElement('checkbox', 'show_description', null, get_lang('ShowDescription'), $chkDescriptionAttributes);
+
 $duration = empty($infos['duration']) ? null : $infos['duration'];
 
 $form->addElement(
@@ -268,7 +263,7 @@ $formDefaults = array(
     'date_start' => $infos['date_start'],
     'date_end' => $infos['date_end'],
     'session_visibility' => $infos['visibility'],
-    'description' => array_key_exists('show_description', $infos) ? $infos['description'] : ''
+    'description' => $infos['description']
 );
 
 if ($formSent) {
@@ -297,7 +292,7 @@ if ($form->validate()) {
     $id_session_category = $params['session_category'];
     $id_visibility = $params['session_visibility'];
     $duration = isset($params['duration']) ? $params['duration'] : null;
-    $description = isset($params['description']) ? $params['description'] : null;
+    $description = $params['description'];
     $showDescription = isset($params['show_description']) ? 1: 0;
 
     $end_limit = $params['end_limit'];
diff --git a/main/inc/lib/sessionmanager.lib.php b/main/inc/lib/sessionmanager.lib.php
index 662a5720e5..48642202de 100755
--- a/main/inc/lib/sessionmanager.lib.php
+++ b/main/inc/lib/sessionmanager.lib.php
@@ -66,6 +66,7 @@ class SessionManager
      * @param string $duration
      * @param string $description Optional. The session description
      * @param int $showDescription Optional. Whether show the session description
+     * @param array $extrafields 
      * @todo use an array to replace all this parameters or use the model.lib.php ...
      * @return mixed       Session ID on success, error message otherwise
      * */
@@ -84,7 +85,8 @@ class SessionManager
         $fix_name = false,
         $duration = null,
         $description = null,
-        $showDescription = 0
+        $showDescription = 0,
+        $extraFields = array()
     ) {
         global $_configuration;