Merge pull request nginx-proxy#142 from schmunk42/patch-1

show command on multiple lines, increased readability

Author: jwilder

README.md

@@ -111,7 +111,13 @@ a 503.
 In order to be able to securize your virtual host, you have to create a file named as its equivalent VIRTUAL_HOST variable on directory
 /etc/nginx/htpasswd/$VIRTUAL_HOST
 
-    $ docker run -d -p 80:80 -p 443:443 -v /path/to/htpasswd:/etc/nginx/htpasswd -v /path/to/certs:/etc/nginx/certs -v /var/run/docker.sock:/tmp/docker.sock jwilder/nginx-proxy
+```
+$ docker run -d -p 80:80 -p 443:443 \
+    -v /path/to/htpasswd:/etc/nginx/htpasswd \
+    -v /path/to/certs:/etc/nginx/certs \
+    -v /var/run/docker.sock:/tmp/docker.sock \
+    jwilder/nginx-proxy
+```
 
 You'll need apache2-utils on the machine you plan to create de htpasswd file. Follow these [instructions](http://httpd.apache.org/docs/2.2/programs/htpasswd.html)