diff --git a/addons/account/account_move_line.py b/addons/account/account_move_line.py
index 8a487fe696d..0b17eb676f6 100644
--- a/addons/account/account_move_line.py
+++ b/addons/account/account_move_line.py
@@ -1200,10 +1200,11 @@ class account_move_line(osv.osv):
     def _update_check(self, cr, uid, ids, context=None):
         done = {}
         for line in self.browse(cr, uid, ids, context=context):
+            err_msg = _('Move name (id): %s (%s)') % (line.move_id.name, str(line.move_id.id))
             if line.move_id.state <> 'draft' and (not line.journal_id.entry_posted):
-                raise osv.except_osv(_('Error !'), _('You can not do this modification on a confirmed entry ! Please note that you can just change some non important fields !'))
+                raise osv.except_osv(_('Error !'), _('You can not do this modification on a confirmed entry ! Please note that you can just change some non important fields ! \n%s') % err_msg)
             if line.reconcile_id:
-                raise osv.except_osv(_('Error !'), _('You can not do this modification on a reconciled entry ! Please note that you can just change some non important fields !'))
+                raise osv.except_osv(_('Error !'), _('You can not do this modification on a reconciled entry ! Please note that you can just change some non important fields ! \n%s') % err_msg)
             t = (line.journal_id.id, line.period_id.id)
             if t not in done:
                 self._update_journal_check(cr, uid, line.journal_id.id, line.period_id.id, context)