Update config var name

fabaff · fabaff · commit cb3cb5feccca · 2017-01-06T09:18:10.000+01:00
diff --git a/source/_components/sensor.tcp.markdown b/source/_components/sensor.tcp.markdown
@@ -33,7 +33,7 @@ Configuration options for the a TCP Sensor:
 - **payload** (*Required*): What to send to the host in order to get the response we're interested in.
 - **timeout** (*Optional*): How long in seconds to wait for a response from the service before giving up and disconnecting. Defaults to `10`
 - **value_template** (*Optional*): Defines a [template](/topics/templating/) to extract the value. By default it's assumed that the entire response is the value.
-- **unit** (*Optional*): The unit of measurement to use for the value.
+- **unit_of_measurement** (*Optional*): The unit of measurement to use for the value.
 - **buffer_size** (*Optional*): The size of the receive buffer in bytes. Set this to a larger value if you expect to receive a response larger than the default. Defaults to `1024`.
 
 ## {% linkable_title Examples %}
@@ -61,7 +61,7 @@ sensor:
   timeout: 5
   payload: "r WaterPressure\n"
   value_template: "{% raw %}{{ value.split(';')[0] }}{% endraw %}"
-  unit: Bar
+  unit_of_measurement: Bar
 ```
 
 ### {% linkable_title hddtemp %}
@@ -95,5 +95,5 @@ sensor:
   timeout: 5
   payload: "\n"
   value_template: "{% raw %}{{ value.split('|')[3] }}{% endraw %}"
-  unit: "°C"
+  unit_of_measurement: "°C"
 ```
