diff --git a/README.md b/README.md
index e2d17e8..b1ed4c8 100644
--- a/README.md
+++ b/README.md
@@ -102,6 +102,7 @@ It is equal to these commands:
   
 With these commands we can see if everything worked well:
 ```bash
+bash show-local.sh  # a env-var safe wrapper for a 'docker-compose logs -f'
 docker ps
 docker logs [service-name]
 ```
diff --git a/show-local.sh b/show-local.sh
old mode 100644
new mode 100755
index ce24f2d..e650553
--- a/show-local.sh
+++ b/show-local.sh
@@ -3,4 +3,4 @@ cd $(cd -P -- "$(dirname -- "$0")" && pwd -P)
 
 # Export default port to make compose file valid.
 export JUPYTER_PORT=8888
-docker-compose ps
+docker-compose logs -f