Better README explanations

README.md

@@ -4,9 +4,9 @@ Docker image fitted with the right packages for SY31 + compose file to run smoot
 ## Run the image
 
 1. Clone this repository: `git clone https://gitlab.utc.fr/SY31/docker -- sy31-docker`
-2. Go inside it `cd sy31-docker`
-3. Run `docker-compose up -d` to start the service as detached
-4. Run `docker-compose run ros`
+2. Go inside it: `cd sy31-docker`
+3. Start the service in the background: `docker compose up -d`
+4. Open new terminals: `docker compose run ros`
 
 By default, a bash history will be synced with the one in this repo and a `workspace` folder will be created to export your work.