update README

README.md

-QoS Manager
-====
+# QoS Manager
 
 This program implements methods provided by the `qos` object on U-Bus. This is done by calling `libqos` provided by `easy-soc-libs`.
 
@@ -7,7 +6,7 @@ This program implements methods provided by the `qos` object on U-Bus. This is d
 
 qosmngr requires a configuration file provide objects over ubus. The configuration file is an uci file `/etc/config/qos`. Sample configuration file is provided below.
 
-````bash
+```
 config queue 'q_0_eth1'
         option enable '1'
         option ifname 'eth1'
@@ -413,27 +412,27 @@ config policer
         option meter_type '0'
         option name 'cfg2b6c73'
 
-````
+```
 
-## Ubus API
+## uBus API
 
 `ubusd` has to be running all time, as it exposes the qos functionality over ubus. By default,qosmngr registers below namespace with ubus.
 
-````bash
+```
 root@iopsys:~# ubus -v list | grep qos
 'qos' @e1f3b458
 root@iopsys:~# 
-````
+```
 
-````bash
+```
 root@iopsys:~# ubus -v list qos
 'qos' @e1f3b458
         "queue_stats":{"ifname":"String","qid":"String"}
         "reload":{"section":"String"}
 root@iopsys:~# 
-````
+```
 
-````bash
+```
 root@iopsys:~# 
 root@iopsys:~# ubus -S call qos reload
 root@iopsys:~# 
@@ -445,7 +444,7 @@ root@iopsys:~# ubus -S call qos reload '{"section":"policer"}'
 root@iopsys:~# 
 root@iopsys:~# ubus -S call qos reload '{"section":"shaper"}'
 root@iopsys:~# 
-````
+```
 
 - `queue_stats  : {"ifname":"String","qid":"Integer"}`
     - `ifname`: interface name for which we want to get the QoS statistics. Optional argument: if not provided, the statistics of all ports for all queues are returned.