fix typo in example for socket (#295)

web-server/caddy/README.md

@@ -8,7 +8,7 @@ Open `/etc/gitlab/gitlab.rb` using your favourite text editor and update the fol
 * Change `external_url` to the https protocol
 * Change `gitlab_workhorse['listen_network']` from `"unix"` to `"tcp"`
-* Change `gitlab_workhorse['listen_addr']` from `"000"` to `"127.0.0.1:8181"`
+* Change `gitlab_workhorse['listen_addr']` from `"/var/opt/gitlab/gitlab-workhorse/socket"` to `"127.0.0.1:8181"`
 * Add whatever user caddy runs under to `web_server['external_users']` unless root
 * Change `nginx['enable'] = "true"` to `nginx['enable'] = "false"`
 * Save and exit the configuration file and run `gitlab-ctl reconfigure` to update gitlabs configuration