Markdown tweaks (#553)

source/_components/sensor.rfxtrx.markdown

@@ -13,13 +13,13 @@ ha_category: Sensor
 
 The `rfxtrx` platform support sensors that communicate in the frequency range of 433.92 MHz.
 
-First you have to set up your [rfxtrx hub.](/components/rfxtrx/)
+First you have to set up your [rfxtrx hub](/components/rfxtrx/).
 The easiest way to find your sensors is to add this to your `configuration.yaml`:
 
 ```yaml
 sensor:
- platform: rfxtrx
- automatic_add: True
+  platform: rfxtrx
+  automatic_add: True
 ```
 
 Then when the sensor emits a signal it will be automatically added:
@@ -28,47 +28,45 @@ Then when the sensor emits a signal it will be automatically added:
 <img src='/images/components/rfxtrx/sensor.png' />
 </p>
 
-Here the name is 0a52080000301004d240259 and you can verify that it works from the frontend.
+Here the name is `0a52080000301004d240259` and you can verify that it works from the frontend.
 Then you should update your configuration to:
 
 ```yaml
 sensor:
- platform: rfxtrx
- devices:
+  platform: rfxtrx
+  devices:
     0a52080000301004d240259:
-        name: device_name
+      name: device_name
 ```
 
 If you want to display several data types from one sensor:
 
 ```yaml
 sensor:
- platform: rfxtrx
- devices:
+  platform: rfxtrx
+  devices:
     0a520802060100ff0e0269:
-        name: Bath
-        data_type:
-         - Humidity
-         - Temperature
+      name: Bath
+      data_type:
+       - Humidity
+       - Temperature
 ```
 
-
-
 Example configuration:
 
 ```yaml
 # Example configuration.yaml entry
 sensor:
- platform: rfxtrx
- automatic_add: True
- devices:
-   0a52080705020095220269:
-     name: Lving
-   0a520802060100ff0e0269:
-        name: Bath
-        data_type:
-         - Humidity
-         - Temperature
+  platform: rfxtrx
+  automatic_add: True
+  devices:
+    0a52080705020095220269:
+      name: Lving
+    0a520802060100ff0e0269:
+      name: Bath
+      data_type:
+       - Humidity
+       - Temperature
 ```
 
 Configuration variables:
@@ -76,3 +74,4 @@ Configuration variables:
 - **devices**  (*Optional*): A list of devices with their name to use in the frontend.
 - **automatic_add** (*Optional*): To enable the automatic addition of new lights.
 - **data_type**  (*Optional*): Which data type the sensor should show
+- **fire_event** *Optional*: Fires an event even if the state is the same as before. Can be used for automations.