diff --git a/docs/DOCKER.md b/docs/DOCKER.md
index 893135b..777bcad 100644
--- a/docs/DOCKER.md
+++ b/docs/DOCKER.md
@@ -2,11 +2,11 @@
 
 EventMan(ager) requires MongoDB to run.
 
-You can run docker-compose.yml to have a complete environment.
+You can use docker-compose.yml to have a complete environment. Run: `docker-compose up --build`
 
 The data is stored in the *eventman_data* volume: do not cancel it.
 
-In the *docker-tools* directory there is a set of tools to build and run another container to dump and restore the database; from that directory you can:
+In the *docker-tools* directory there is a set of tools to build and run another container to dump and restore the database; you need the docker-compose running, to execute them. From that directory you can:
 
 * **dump.sh**: dump the current database in a file like *eventman-dump-2017-11-28T21:57:43.tgz*
 * **restore.sh** *eventman-dump-2017-11-28T21:57:43.tgz*: restore the given dump. Notice that the current database is completely removed, so DO NOT restore a dump if you don't have a backup of the current data