diff --git a/htdocs/core/class/coreobject.class.php b/htdocs/core/class/coreobject.class.php
index 92da1604dca..396caf029cc 100644
--- a/htdocs/core/class/coreobject.class.php
+++ b/htdocs/core/class/coreobject.class.php
@@ -287,11 +287,11 @@ class CoreObject extends CommonObject
 			}
 			elseif($this->is_int($info))
             {
-				$this->{$field} = (int)$obj->{$field};
+				$this->{$field} = (int) $obj->{$field};
 			}
 			elseif($this->is_float($info))
             {
-				$this->{$field} = (double)$obj->{$field};
+				$this->{$field} = (double) $obj->{$field};
 			}
 			elseif($this->is_null($info))
             {
@@ -604,7 +604,7 @@ class CoreObject extends CommonObject
      * @param   string  $format Output date format
      * @return          string
      */
-    public function get_date($field, $format='')
+    public function getDate($field, $format='')
     {
 		if(empty($this->{$field})) return '';
 		else
@@ -620,7 +620,7 @@ class CoreObject extends CommonObject
      * @param   string  $date   formatted date to convert
      * @return                  mixed
      */
-    public function set_date($field, $date)
+    public function setDate($field, $date)
     {
 	  	if (empty($date))
 	  	{
@@ -648,7 +648,7 @@ class CoreObject extends CommonObject
 		{
 			if($this->checkFieldType($key, 'date'))
 			{
-				$this->set_date($key, $value);
+				$this->setDate($key, $value);
 			}
 			else if( $this->checkFieldType($key, 'array'))
 			{
diff --git a/htdocs/core/class/listview.class.php b/htdocs/core/class/listview.class.php
index 38645dbca0a..4394a1230da 100644
--- a/htdocs/core/class/listview.class.php
+++ b/htdocs/core/class/listview.class.php
@@ -19,6 +19,9 @@
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/**
+ *	Class to manage the lists view
+ */
 class Listview
 {
     /**
@@ -92,8 +95,8 @@ class Listview
 	}
 
     /**
-     * @param $key
-     * @param $TParam
+     * @param string    $key    field name
+     * @param array     $TParam array of configuration
      * @return array
      */
 	private function getSearchKey($key, &$TParam)
@@ -129,7 +132,7 @@ class Listview
 	}
 
     /**
-     * @param $date
+     * @param string    $date   date to convert
      * @return int|string   Date TMS or ''
      */
     private function dateToSQLDate($date)
@@ -139,9 +142,9 @@ class Listview
 
 
     /**
-     * @param $TSQLMore
-     * @param $value
-     * @param $sKey
+     * @param array     $TSQLMore   contain some additional sql instructions
+     * @param string    $value      date with read format
+     * @param string    $sKey       field name
      */
     private function addSqlFromTypeDate(&$TSQLMore, &$value, $sKey)
 	{
@@ -171,11 +174,11 @@ class Listview
 
 
     /**
-     * @param $TSQLMore
-     * @param $value
-     * @param $TParam
-     * @param $sKey
-     * @param $key
+     * @param array     $TSQLMore   contain some additional sql instructions
+     * @param string    $value      value to filter
+     * @param array     $TParam     array of configuration
+     * @param string    $sKey       field name
+     * @param string    $key        reference of sKey to find value into TParam
      * @return bool
      */
     private function addSqlFromOther(&$TSQLMore, &$value, &$TParam, $sKey, $key)
@@ -209,8 +212,8 @@ class Listview
 
 
     /**
-     * @param $sql
-     * @param $TParam
+     * @param string    $sql    standard select sql
+     * @param array     $TParam array of configuration
      * @return string
      */
     private function search($sql, &$TParam)
@@ -270,8 +273,8 @@ class Listview
 	}
 
     /**
-     * @param $sql
-     * @param array $TParam
+     * @param string    $sql    standard select sql
+     * @param array     $TParam array of configuration
      * @return string
      */
     public function render($sql, $TParam=array())
@@ -292,8 +295,8 @@ class Listview
 	}
 
     /**
-     * @param $THeader
-     * @param $TParam
+     * @param array     $THeader    the configuration of header
+     * @param array     $TParam     array of configuration
      * @return array
      */
     private function setSearch(&$THeader, &$TParam)
diff --git a/htdocs/inventory/class/inventory.class.php b/htdocs/inventory/class/inventory.class.php
index 5f172c7c697..14230d90893 100644
--- a/htdocs/inventory/class/inventory.class.php
+++ b/htdocs/inventory/class/inventory.class.php
@@ -24,6 +24,9 @@
 require_once DOL_DOCUMENT_ROOT.'/core/class/coreobject.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
+/**
+ *	Class to manage inventories
+ */
 class Inventory extends CoreObject
 {
 	public $element='inventory';
@@ -307,8 +310,8 @@ class Inventory extends CoreObject
         
         $det->load_product();
                 
-        $date = $this->get_date('date_inventory', 'Y-m-d');
-        if(empty($date)) $date = $this->get_date('datec', 'Y-m-d');
+        $date = $this->getDate('date_inventory', 'Y-m-d');
+        if(empty($date)) $date = $this->getDate('datec', 'Y-m-d');
         $det->setStockDate($date, $fk_warehouse);
         
         return true;
diff --git a/htdocs/inventory/inventory.php b/htdocs/inventory/inventory.php
index f9297951c22..c10cbd1ab20 100644
--- a/htdocs/inventory/inventory.php
+++ b/htdocs/inventory/inventory.php
@@ -381,12 +381,12 @@ function card(&$inventory, $action='edit')
 	$lines = array();
 	card_line($inventory, $lines, $action);
 	
-	print '<b>'.$langs->trans('inventoryOnDate')." ".$inventory->get_date('date_inventory').'</b><br><br>';
+	print '<b>'.$langs->trans('inventoryOnDate')." ".$inventory->getDate('date_inventory').'</b><br><br>';
 	
 	$inventoryTPL = array(
 		'id'=> $inventory->id
-		,'date_cre' => $inventory->get_date('date_cre', 'd/m/Y')
-		,'date_maj' => $inventory->get_date('date_maj', 'd/m/Y H:i')
+		,'date_cre' => $inventory->getDate('date_cre', 'd/m/Y')
+		,'date_maj' => $inventory->getDate('date_maj', 'd/m/Y H:i')
 		,'fk_warehouse' => $inventory->fk_warehouse
 		,'status' => $inventory->status
 		,'entity' => $inventory->entity
diff --git a/htdocs/inventory/lib/inventory.lib.php b/htdocs/inventory/lib/inventory.lib.php
index 767d7416fc7..eb79ae67cc4 100644
--- a/htdocs/inventory/lib/inventory.lib.php
+++ b/htdocs/inventory/lib/inventory.lib.php
@@ -22,6 +22,11 @@
  *	\brief		This file is an example module library
  */
 
+/**
+ *  Define head array for tabs of inventory tools setup pages
+ *
+ *  @return			Array of head
+ */
 function inventoryAdminPrepareHead()
 {
     global $langs, $conf;