Update README.md

README.md

 # Official Jenkins Docker image
 
-# Approved for use behind a CNAP/CPN. It cannot be internet facing.
+# Approved for use behind a CNAP/VPN. It cannot be internet facing.
 
 [![Docker Stars](https://img.shields.io/docker/stars/jenkins/jenkins.svg)](https://hub.docker.com/r/jenkins/jenkins/)
 [![Docker Pulls](https://img.shields.io/docker/pulls/jenkins/jenkins.svg)](https://hub.docker.com/r/jenkins/jenkins/)
@@ -299,4 +299,4 @@ If you wish to contribute fixes to this repository, please refer to the [dedicat
 
 Jump on irc.freenode.net and the #jenkins room. Ask!
 
-[system-property]: https://wiki.jenkins.io/display/JENKINS/Features+controlled+by+system+properties
+[system-property]: https://wiki.jenkins.io/display/JENKINS/Features+controlled+by+system+properties
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