DITTO + RSS FEED + SITEMAP

Hello, i’m trying to do this :

http://modxguides.com/modx1x/google-sitemap-with-ditto

and

http://ditto.modxcms.com/tutorials/custom-rss-feed.html

the result is this :

http://www.location-chambre-landerneau.com/sitemap.xml

and this :

http://www.location-chambre-landerneau.com/feed.xml

I dont know what i’ve done wrong... Someone could help me ? Thank you.