diff --git a/addons/calendar/calendar.py b/addons/calendar/calendar.py
index 59b17819e83..8ccf6639f86 100644
--- a/addons/calendar/calendar.py
+++ b/addons/calendar/calendar.py
@@ -960,7 +960,7 @@ class calendar_event(osv.Model):
 
         'user_id': fields.many2one('res.users', 'Responsible', states={'done': [('readonly', True)]}),
         'color_partner_id': fields.related('user_id', 'partner_id', 'id', type="integer", string="colorize", store=False),  # Color of creator
-        'active': fields.boolean('Active', help="If the active field is set to true, it will allow you to hide the event alarm information without removing it."),
+        'active': fields.boolean('Active', help="If the active field is set to false, it will allow you to hide the event alarm information without removing it."),
         'categ_ids': fields.many2many('calendar.event.type', 'meeting_category_rel', 'event_id', 'type_id', 'Tags'),
         'attendee_ids': fields.one2many('calendar.attendee', 'event_id', 'Attendees', ondelete='cascade'),
         'partner_ids': fields.many2many('res.partner', 'calendar_event_res_partner_rel', string='Attendees', states={'done': [('readonly', True)]}),
diff --git a/openerp/addons/base/module/module.py b/openerp/addons/base/module/module.py
index 62ba2304866..162b10922e4 100644
--- a/openerp/addons/base/module/module.py
+++ b/openerp/addons/base/module/module.py
@@ -456,7 +456,7 @@ class module(osv.osv):
         ir_model_data = self.pool.get('ir.model.data')
         modules_to_remove = [m.name for m in self.browse(cr, uid, ids, context)]
         ir_model_data._module_data_uninstall(cr, uid, modules_to_remove, context)
-        self.write(cr, uid, ids, {'state': 'uninstalled'})
+        self.write(cr, uid, ids, {'state': 'uninstalled', 'latest_version': False})
         return True
 
     def downstream_dependencies(self, cr, uid, ids, known_dep_ids=None,