@@ -82,7 +82,7 @@ In this scenario:

     $ sudo ifconfig bridge0 192.168.227.1 netmask 255.255.255.0

     # Edit your Docker startup file

-    $ echo "DOCKER_OPTS=\"-b=bridge0\"" /etc/default/docker 

+    $ echo "DOCKER_OPTS=\"-b=bridge0\"" >> /etc/default/docker 

     # Start Docker 

     $ sudo service docker start