Update README.md

README.md

@@ -4,15 +4,30 @@
 
 [![Donate](https://cloud.githubusercontent.com/assets/4932851/8266321/38511d84-1731-11e5-826b-7f29bbebfbd8.png)](https://money.yandex.ru/embed/shop.xml?account=41001684402290&quickpay=shop&payment-type-choice=on&writer=seller&targets=Grafana-Zabbix&targets-hint=&default-sum=100&button-text=04&comment=on&hint=Your+suggestions&mail=on&successURL=)
 
+[**Features**](#features)  
+[**Installation**](#installation)  
+[**Troubleshooting**](#troubleshooting)  
 Read more in Grafana-Zabbix [wiki](https://github.com/alexanderzobnin/grafana-zabbix/wiki).
 
 Display your Zabbix data directly in [Grafana](http://grafana.org) dashboards!
 
 ![Dashboard](https://cloud.githubusercontent.com/assets/4932851/8269101/9e6ee67e-17a3-11e5-85de-fe9dcc2dd375.png)
 
-Useful metric editor with host group and application filtering:
+## Features
 
-![Query editor](https://cloud.githubusercontent.com/assets/4932851/7902360/156a9366-07c0-11e5-905b-4c21b52f1f44.png)
+##### Flexible metric editor
+ * hosts and items filtering:
+ 
+![Query editor](https://cloud.githubusercontent.com/assets/4932851/8269157/9509dd66-17a6-11e5-8547-95adc2298942.png)
+
+ * Custom scale for each target:
+
+![Scale](https://cloud.githubusercontent.com/assets/4932851/8269207/212549be-17a9-11e5-9e33-90deb90ddc13.png)
+
+##### Templated dashboards support
+##### Annotations support
+
+Read more about Grafana features at [grafana.org](http://grafana.org)
 
 
 ## Installation