Erreur SQL

Erreur de requête
MySQL a répondu : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'desc LIMIT 15, 5' at line 5
Requête : SELECT c.pseudo, c.statut, c.avatar, c.id AS userID, n.*, COUNT(cm.id) AS nb_coms FROM jap_comptes c, jap_news n LEFT JOIN jap_comentaires cm ON (cm.type = 1 AND cm.id_item = n.id) WHERE (cm.id_item IS NULL OR cm.id_item IS NOT NULL) AND n.auteur = c.id GROUP BY n.date desc LIMIT 15, 5