diff --git a/source/_components/binary_sensor.mqtt.markdown b/source/_components/binary_sensor.mqtt.markdown
index 132c59298e0..cc42186d29c 100644
--- a/source/_components/binary_sensor.mqtt.markdown
+++ b/source/_components/binary_sensor.mqtt.markdown
@@ -85,6 +85,10 @@ payload_not_available:
   required: false
   type: string
   default: offline
+json_attributes_topic:
+  description: The MQTT topic subscribed to receive a JSON dictionary payload and then set as sensor attributes.
+  reqired: false
+  type: string
 qos:
   description: The maximum QoS level to be used when receiving messages.
   required: false