diff --git a/8.0/entrypoint.sh b/8.0/entrypoint.sh
index bddfc35..64dff75 100755
--- a/8.0/entrypoint.sh
+++ b/8.0/entrypoint.sh
@@ -9,6 +9,7 @@ set -e
 : ${PGPASSWORD:=$DB_ENV_POSTGRES_PASSWORD}
 export PGHOST PGPORT PGUSER PGPASSWORD
 
+# if the first arg starts with '-', prepend 'openerp-server' to $@
 if [ "${1:0:1}" = '-' ]; then
 	set -- openerp-server "$@"
 fi