diff --git a/README.md b/README.md
index b299ae0..06df54d 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ Exemple of a docker compose file with a mariadb database.
         image: jcpd/docker-dotclear:latest
         container_name: dotclearphp
         volumes:
-          - dc__app:/var/www/html
+          - dc_app:/var/www/html
         ports:
           - 8080:80
         depends_on: