diff --git a/htdocs/categories/class/categorie.class.php b/htdocs/categories/class/categorie.class.php
index dec5ebfea57..6c4d1ed0d23 100644
--- a/htdocs/categories/class/categorie.class.php
+++ b/htdocs/categories/class/categorie.class.php
@@ -68,15 +68,15 @@ class Categorie
 	 */
 	function fetch($id,$label='')
 	{
-		global $conf; 
-		
+		global $conf;
+
 		$sql = "SELECT rowid, fk_parent, entity, label, description, fk_soc, visible, type";
 		$sql.= " FROM ".MAIN_DB_PREFIX."categorie";
-		if ($id) 
+		if ($id)
 		{
 			$sql.= " WHERE rowid = '".$id."'";
 		}
-		
+
 		else
 		{
 			if ($label) $sql.= " WHERE label = '".$this->db->escape($label)."' AND entity=".$conf->entity;;
@@ -89,7 +89,7 @@ class Categorie
 			if ($this->db->num_rows($resql) > 0)
 			{
 				$res = $this->db->fetch_array($resql);
-	
+
 				$this->id			= $res['rowid'];
 				$this->fk_parent	= $res['fk_parent'];
 				$this->label		= $res['label'];
@@ -98,9 +98,9 @@ class Categorie
 				$this->visible		= $res['visible'];
 				$this->type			= $res['type'];
 				$this->entity		= $res['entity'];
-	
+
 				$this->db->free($resql);
-	
+
 				return 1;
 			}
 			else
@@ -702,9 +702,9 @@ class Categorie
 	/**
 	 * 	Retourne toutes les categories
 	 *
-	 *	@param		int			Type of category
-	 *	@param		boolean		Just parent categories if true
-	 *	@return		array		Tableau d'objet Categorie
+	 *	@param	int			$type		Type of category
+	 *	@param	boolean		$parent		Just parent categories if true
+	 *	@return	array					Tableau d'objet Categorie
 	 */
 	function get_all_categories($type=null, $parent=false)
 	{
@@ -807,7 +807,7 @@ class Categorie
 	/**
 	 *	Retourne les categories de premier niveau (qui ne sont pas filles)
 	 *
-	 *	@param		int			Type of category
+	 *	@param		int		$type		Type of category
 	 *	@return		void
 	 */
 	function get_main_categories($type=null)
diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index 6218400d7ce..35e03a80b49 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -2049,4 +2049,4 @@ else
 // End of page
 llxFooter();
 $db->close();
-?>
+?>
\ No newline at end of file
diff --git a/htdocs/societe/class/societe.class.php b/htdocs/societe/class/societe.class.php
index b6df5c322f8..378cae1f8b0 100644
--- a/htdocs/societe/class/societe.class.php
+++ b/htdocs/societe/class/societe.class.php
@@ -845,6 +845,7 @@ class Societe extends CommonObject
      * 	@param		array		$filters	Array of couple field name/value to filter the companies with the same name
      * 	@param		boolean		$exact		Exact string search (true/false)
      * 	@param		boolean		$case		Case sensitive (true/false)
+     * 	@param		boolean		$similar	Add test if string inside name into database, or name into database inside string. Do not use this: Not compatible with other database.
      * 	@param		string		$clause		Clause for filters
      * 	@return		array		Array of thirdparties object
      */
@@ -880,7 +881,8 @@ class Societe extends CommonObject
     			$sql.= "(";
     		if ($similar)
     		{
-    			// For test similitude
+    			// For test similitude (string inside name into database, or name into database inside string)
+    			// Do not use this. Not compatible with other database.
     			$sql.= "(LOCATE('".$this->db->escape($name)."', nom) > 0 OR LOCATE(nom, '".$this->db->escape($name)."') > 0)";
     		}
     		else