README.md in zabbix-ruby-client-0.0.12 vs README.md in zabbix-ruby-client-0.0.13

@@ -67,11 +67,12 @@
     * args [ eth0 ] is just the interface identifier
   * apt (uses ubuntu /usr/lib/update-notifier/apt-check) this one will populate the 'tag' field in host info, and is supposed to run every few hours or at least not every minute [apt_tpl](master/zabbix-templates/apt_tpl.xml)
   * sysinfo (uses uname -a) is populating the host info in the inventory, and should be ran at setup and/or monthly [sysinfo_tpl](master/zabbix-templates/sysinfo_tpl.xml)
 * apache (depends on mod_status with status_extended on) [apache_tpl](master/zabbix-templates/apache_tpl.xml)
 * mysql (uses mysqladmin extended-status) [mysql_tpl](master/zabbix-templates/mysql_tpl.xml)
+* nginx (requires httpStubStatus nginx module) [nginx_tpl](master/zabbix-templates/nginx_tpl.xml)
 
-You can add extra plugin directories in the configuration file.
+You can add extra plugins in a plugins/ dir in the working dir, just by copying one of the existing plugins in the repo and change to your need. All plugins present in plugins/ will be loaded if present in the config file you use. That can be convenient to test by using the -t flag, for example `bundle exec zrc -t testplugin.yml` where testplugin.yml only contains the name and args for yoiur plugin.
 
 ## Todo
 
 * read /proc rather than rely on installed tools
 * write tests