diff --git a/70_installation/4_Docker.md b/70_installation/4_Docker.md
index c06bc7b..0c5b4d6 100644
--- a/70_installation/4_Docker.md
+++ b/70_installation/4_Docker.md
@@ -2,19 +2,19 @@
 
 A Docker image is available on [**the Docker Hub**](https://hub.docker.com/u/kerberos/). Before you can run this image you will have to get [**Docker**](https://docker.com) installed. After the installation you can use **docker-compose** to get Kerberos.io up and running. More detailed information can be [**found here**](https://blog.cedric.ws/kerberosio-available-on-docker).
 
-##Docker-compose
+##Docker Compose
 
-Create a docker-compose.yml file and following configuration:
+Create a **docker-compose.yml** file and following configuration:
 
     machinery:
         image: kerberos/machinery
         ports:
-        - "8889"
+        - "8889:8889"
 
     web:
         image: kerberos/web
         ports:
-        - "80"
+        - "80:80"
         volumes_from:
         - machinery