Add content-type to curl (#531)

source/_components/binary_sensor.http.markdown

@@ -40,7 +40,8 @@ To check if the sensor is working, use again `curl` to retrieve the [current sta
 
 ```bash
 $ curl -X GET -H "x-ha-access: YOUR_PASSWORD" \
-        http://localhost:8123/api/states/binary_sensor.radio
+       -H "Content-Type: application/json" \
+       http://localhost:8123/api/states/binary_sensor.radio
 {
     "attributes": {
         "friendly_name": "Radio"
@@ -74,6 +75,6 @@ print(response.text)
 
 ```bash
 $ http -v POST http://localhost:8123/api/states/binary_sensor.radio \
-      x-ha-access:YOUR_PASSWORD state=off \
+      x-ha-access:YOUR_PASSWORD content-type:application/json state=off \
       attributes:='{"friendly_name": "Radio"}'
 ```

source/_components/notify.mqtt.markdown

@@ -27,6 +27,7 @@ Using the [REST API](/developers/rest_api/#post-apiservicesltdomainltservice) to
 
 ```bash
 $ curl -X POST -H "x-ha-access: YOUR_PASSWORD" \
+       -H "Content-Type: application/json" \
        -d '{"payload": "Test message from HA", "topic": "home/notification"}' \
        http://IP_ADDRESS:8123/api/services/mqtt/publish
 ```

source/_components/sensor.http.markdown

@@ -31,7 +31,8 @@ You should choose a unique device name (DEVICE_NAME) to avoid clashes with other
 For a quick test `curl` can be useful to "simulate" a device.
 
 ```bash
-$ curl -XPOST -H "x-ha-access: YOUR_PASSWORD" \
+$ curl -X POST -H "x-ha-access: YOUR_PASSWORD" \
+       -H "Content-Type: application/json" \
        -d '{"state": "20", "attributes": {"unit_of_measurement": "°C", "friendly_name": "Bathroom Temp"}}' \
        http://localhost:8123/api/states/sensor.bathroom_temperature
 ```
@@ -40,7 +41,8 @@ Use again `curl` to retrieve the [current state](/developers/rest_api/#get-apist
 
 ```bash
 $ curl -X GET -H "x-ha-access: YOUR_PASSWORD" \
-        http://localhost:8123/api/states/sensor.bathroom_temperature
+       -H "Content-Type: application/json" \
+       http://localhost:8123/api/states/sensor.bathroom_temperature
 {
     "attributes": {
         "friendly_name": "Bathroom Temp",

source/_components/switch.mystrom.markdown

@@ -32,7 +32,7 @@ Configuration variables:
 Check if you are able to access the device located at `http://IP_ADRRESS`. The details about your switch is provided as a JSON response.
 
 ```bash
-$ curl -X GET http://IP_ADDRESS/report
+$ curl -X GET -H "Content-Type: application/json" http://IP_ADDRESS/report
 {
 	"power":	0,
 	"relay":	false