diff --git a/docker/PYROS_DOCKER_START.sh b/docker/PYROS_DOCKER_START.sh
index 1677eb1..a143a4e 100755
--- a/docker/PYROS_DOCKER_START.sh
+++ b/docker/PYROS_DOCKER_START.sh
@@ -1,3 +1,5 @@
+# We need these variables for the build and when we launch the containers
+# But then, we do not need them anymore. Anyway they are referenced in the docker-compose.yml but it does not find them in memory => makes a warning when using the containers...
 export CURRENT_UID=$(id -u)
 export COMPUTER_HOSTNAME=$HOSTNAME
 
@@ -7,7 +9,10 @@ docker compose down --remove-orphans
 
 echo
 echo "Then START:"
-docker compose up -d
+# Take docker-compose.yml folder name ("docker") as containers group name in Docker Desktop by default
+#docker compose up -d
+# Change this group name with -p option
+docker compose -p pyros-app up -d
 
 # See started containers
 echo
--
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