fix case in dockerfile

diff --git a/ch13/dockerfiles/certs/Dockerfile b/ch13/dockerfiles/certs/Dockerfile
index 5ff772a..4fd2002 100644 (file)
--- a/ch13/dockerfiles/certs/Dockerfile
+++ b/ch13/dockerfiles/certs/Dockerfile
@@ -1,5 +1,5 @@
 FROM ubuntu:trusty
-MAintAINER lorin@ansiblebook.com
+MAINTAINER lorin@ansiblebook.com
 
 # Create self-signed cert for 192.168.59.103
 RUN apt-get update