diff --git a/source/_components/climate.mqtt.markdown b/source/_components/climate.mqtt.markdown
index 3ee30125d18..7e0cf3a0de5 100644
--- a/source/_components/climate.mqtt.markdown
+++ b/source/_components/climate.mqtt.markdown
@@ -211,6 +211,10 @@ temp_step:
   type: number
   required: false
   default: 1
+json_attributes_topic:
+  description: The MQTT topic subscribed to receive a JSON dictionary payload and then set as sensor attributes. Usage example can be found in [MQTT sensor](/components/sensor.mqtt/#json-attributes-topic-configuration) documentation.
+  required: false
+  type: string
 device:
   description: 'Information about the device this HVAC device is a part of to tie it into the [device registry](https://developers.home-assistant.io/docs/en/device_registry_index.html). Only works through [MQTT discovery](/docs/mqtt/discovery/) and when [`unique_id`](#unique_id) is set.'
   required: false