Minimizing of the configuration sample (#1033)

source/_components/media_player.sonos.markdown

@@ -11,6 +11,7 @@ logo: sonos.png
 ha_category: Media Player
 featured: true
 ha_release: 0.7.3
+ha_iot_class: "Local Polling"
 ---
 
 The `sonos` platform allows you to control your [Sonos](http://www.sonos.com) HiFi wireless speakers and audio components from Home Assistant. By default it supports auto-discovery provided by Home Assistant, and you don't need to add anything to your `configuration.yaml`. Alternatively, there are some manual configuration options, listed as follows:
@@ -20,7 +21,7 @@ To add your Sonos components to your installation, add the following to your `co
 ```yaml
 # Example configuration.yaml entry using Sonos discovery
 media_player:
-  platform: sonos
+  - platform: sonos
 ```
 
 If you have multiple network devices, you can provide the IP address of the device that should be used for Sonos auto-discovery.
@@ -28,8 +29,8 @@ If you have multiple network devices, you can provide the IP address of the devi
 ```yaml
 # Example configuration.yaml entry using Sonos discovery on a specific interface
 media_player:
-  platform: sonos
-  interface_addr: 192.0.2.1
+  - platform: sonos
+    interface_addr: 192.0.2.1
 ```
 
 You can also specify one or more hosts to connect to if they cannot be found with Sonos auto-discovery.
@@ -37,8 +38,8 @@ You can also specify one or more hosts to connect to if they cannot be found wit
 ```yaml
 # Example configuration.yaml entry with manually specified addresses
 media_player:
-  platform: sonos
-  hosts: 192.0.2.25
+  - platform: sonos
+    hosts: 192.0.2.25
 ```
 
 or, for multiple hosts:
@@ -46,11 +47,11 @@ or, for multiple hosts:
 ```yaml
 # Example configuration.yaml entry with manually specified addresses
 media_player:
-  platform: sonos
-  hosts:
-    - 192.0.2.25
-    - 192.0.2.26
-    - 192.0.2.27
+  - platform: sonos
+    hosts:
+      - 192.0.2.25
+      - 192.0.2.26
+      - 192.0.2.27
 ```
 
 ### {% linkable_title Service `sonos_snapshot` %}