diff --git a/scripts/helm/build_deploy.sh b/scripts/helm/build_deploy.sh
index 7e9781231..aec8ce3c9 100644
--- a/scripts/helm/build_deploy.sh
+++ b/scripts/helm/build_deploy.sh
@@ -3,6 +3,8 @@ set -e
 
 # This script will build and push docker image to registry
 
+# Usage: IMAGE_TAG=latest DOCKER_REPO=rg.fr-par.scw.cloud/foss bash build_deploy.sh
+
 echo $DOCKER_REPO
 [[ -z DOCKER_REPO ]] && {
     echo Set DOCKER_REPO="your docker registry"