mention slave port
diff --git a/Dockerfile b/Dockerfile
index 8c76f88..d288f0d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,9 +11,8 @@
 RUN apt-get install -y zip && cd /tmp && zip -g /usr/share/jenkins/jenkins.war WEB-INF/init.groovy
 USER jenkins
 
-
-
 # VOLUME /var/jenkins_home
 ENV JENKINS_HOME /var/jenkins_home
 EXPOSE 8080
+EXPOSE 50000
 CMD ["/usr/bin/java",  "-jar",  "/usr/share/jenkins/jenkins.war"]
\ No newline at end of file
diff --git a/README.md b/README.md
index 0081376..4a8f6b8 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,10 @@
 # This is a WIP
 
-Will likely form the basis of the official jenkins-ci image. Still working on it. 
+The Jenkins Continuous Integration and Continuous Delivery server. 
+
+This is a fully functional Jenkins server. 
+
+Note you can run builds on the master (out of the box) buf if you want to attach build slave servers: make sure you map the port: ```-p 50000:50000```. 
 
 To run: 
 
@@ -8,7 +12,7 @@
 docker run -p 8080:8080 jenkins
 ```
 
-To use a persistent volume
+This will store the workspace in /var/jenkins_home. All Jenkins data lives in there - including plugins and configuration. You will probably want to make that a persistent volume:
 
 ```
 docker run --name myjenkins -p 8080:8080 -v /var/jenkins_home jenkins
@@ -18,7 +22,6 @@
 
 You can also bind mount in a volume from the host: 
 
-
 First, ensure that /your/home is accessible by the jenkins user in container (jenkins user - uid 102 normally - or use -u root), then: 
 
 ```