diff --git a/README.md b/README.md
index 187e150..cea226c 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,9 @@ Open your temporary Jupyter Notebook from the button above and enjoy lgo.
 > cd lgo/docker/jupyter
 > docker-compose up -d
 ```
+
+If you want to use a port other than `8888` on host, update ports config in `lgo/docker/jupyter/docker-compose.yaml` before running `docker-compose up`.
+
 3. Get the URL to open the Jupyter Notebook
 ```
 > docker-compose exec jupyter jupyter notebook list
diff --git a/docker/jupyter/docker-compose.yml b/docker/jupyter/docker-compose.yml
index b9dc9cc..2820d55 100644
--- a/docker/jupyter/docker-compose.yml
+++ b/docker/jupyter/docker-compose.yml
@@ -5,6 +5,7 @@ services:
   jupyter:
     build:
       context: .
+    # To use a different port of host, change the first 8888.
     ports:
       - "8888:8888"
     volumes: