diff --git a/htdocs/bom/class/api_boms.class.php b/htdocs/bom/class/api_boms.class.php
index fb7d175a229..c2df69b9012 100644
--- a/htdocs/bom/class/api_boms.class.php
+++ b/htdocs/bom/class/api_boms.class.php
@@ -365,7 +365,7 @@ class Boms extends DolibarrApi
 	 *
 	 * @url	PUT {id}/lines/{lineid}
 	 *
-	 * @return array|bool
+	 * @return object|bool
 	 */
 	public function putLine($id, $lineid, $request_data = null)
 	{
diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 37f250bf92f..7df0c4efe9c 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -4277,7 +4277,7 @@ abstract class CommonObject
 	 * @param	string	$field_select			name of field we need to get a list
 	 * @param	string	$field_where			name of field of object we need to get linked items
 	 * @param	string	$table_element			name of association table
-	 * @return 	array							Array of record
+	 * @return 	array|int						Array of record, -1 if empty
 	 */
 	public static function getAllItemsLinkedByObjectID($fk_object_where, $field_select, $field_where, $table_element)
 	{
diff --git a/htdocs/core/db/sqlite3.class.php b/htdocs/core/db/sqlite3.class.php
index 8c10c26d464..40d0f10baa8 100644
--- a/htdocs/core/db/sqlite3.class.php
+++ b/htdocs/core/db/sqlite3.class.php
@@ -316,7 +316,7 @@ class DoliDBSqlite3 extends DoliDB
 	 *	@param	    string	$passwd		password
 	 *	@param		string	$name		name of database (not used for mysql, used for pgsql)
 	 *	@param		integer	$port		Port of database server
-	 *	@return		SQLite3				Database access handler
+	 *	@return		SQLite3|string				Database access handler
 	 *	@see		close()
 	 */
 	public function connect($host, $login, $passwd, $name, $port = 0)
diff --git a/htdocs/don/class/api_donations.class.php b/htdocs/don/class/api_donations.class.php
index f9af0568bf0..eee681cea7b 100644
--- a/htdocs/don/class/api_donations.class.php
+++ b/htdocs/don/class/api_donations.class.php
@@ -295,7 +295,7 @@ class Donations extends DolibarrApi
 	 * @throws RestException 404
 	 * @throws RestException 500 System error
 	 *
-	 * @return  array
+	 * @return  object
 	 */
 	public function validate($id, $idwarehouse = 0, $notrigger = 0)
 	{
diff --git a/htdocs/ecm/class/ecmdirectory.class.php b/htdocs/ecm/class/ecmdirectory.class.php
index fb9b2a35dd0..21a43565a25 100644
--- a/htdocs/ecm/class/ecmdirectory.class.php
+++ b/htdocs/ecm/class/ecmdirectory.class.php
@@ -633,7 +633,7 @@ class EcmDirectory extends CommonObject
 	 * 				level		        Level of line (Added by buildPathFromId call)
 	 *
 	 *  @param	int		$force	        Force reload of full arbo even if already loaded in cache $this->cats
-	 *	@return	array			        Tableau de array
+	 *	@return	array|int			        Tableau de array if OK, -1 if KO
 	 */
 	public function get_full_arbo($force = 0)
 	{
diff --git a/htdocs/expedition/class/api_shipments.class.php b/htdocs/expedition/class/api_shipments.class.php
index 357683ef35a..e5e1f584f5e 100644
--- a/htdocs/expedition/class/api_shipments.class.php
+++ b/htdocs/expedition/class/api_shipments.class.php
@@ -502,7 +502,7 @@ class Shipments extends DolibarrApi
 	 *
 	 * @url POST    {id}/validate
 	 *
-	 * @return  array
+	 * @return  object
 	 * \todo An error 403 is returned if the request has an empty body.
 	 * Error message: "Forbidden: Content type `text/plain` is not supported."
 	 * Workaround: send this in the body
@@ -630,7 +630,7 @@ class Shipments extends DolibarrApi
 	*
 	* @url POST    {id}/close
 	*
-	* @return  int
+	* @return  object
 	*/
 	public function close($id, $notrigger = 0)
 	{
diff --git a/htdocs/supplier_proposal/class/supplier_proposal.class.php b/htdocs/supplier_proposal/class/supplier_proposal.class.php
index 1f95e3de5fd..1604cf928e7 100644
--- a/htdocs/supplier_proposal/class/supplier_proposal.class.php
+++ b/htdocs/supplier_proposal/class/supplier_proposal.class.php
@@ -1942,7 +1942,7 @@ class SupplierProposal extends CommonObject
 	 *    @param    int		$offset				For pagination
 	 *    @param    string	$sortfield			Sort criteria
 	 *    @param    string	$sortorder			Sort order
-	 *    @return	int		       				-1 if KO, array with result if OK
+	 *    @return	array|int		       				-1 if KO, array with result if OK
 	 */
 	public function liste_array($shortlist = 0, $draft = 0, $notcurrentuser = 0, $socid = 0, $limit = 0, $offset = 0, $sortfield = 'p.datec', $sortorder = 'DESC')
 	{
@@ -2223,7 +2223,7 @@ class SupplierProposal extends CommonObject
 	 *
 	 *      @param          User	$user   Object user
 	 *      @param          int		$mode   "opened" for askprice to close, "signed" for proposal to invoice
-	 *      @return         int             <0 if KO, >0 if OK
+	 *      @return         WorkboardResponse|int	<0 if KO, WorkboardResponse if OK
 	 */
 	public function load_board($user, $mode)
 	{