diff --git a/source/_integrations/knx.markdown b/source/_integrations/knx.markdown
index ed73a591dcc..7c270614383 100644
--- a/source/_integrations/knx.markdown
+++ b/source/_integrations/knx.markdown
@@ -1357,7 +1357,7 @@ knx:
 
 {% configuration %}
 address:
-  description: KNX group address of the notification. *DPT 16.000*
+  description: KNX group address the notification will be sent to. *DPT 16*
   required: true
   type: [string, list]
 name:
@@ -1369,8 +1369,22 @@ type:
   required: false
   default: "latin_1"
   type: string
+entity_category:
+  description: The [category](https://developers.home-assistant.io/docs/core/entity#generic-properties) of the entity.
+  required: false
+  type: string
+  default: None
 {% endconfiguration %}
 
+### Example service call
+
+```yaml
+service: notify.send_message
+data:
+  message: "Hello from HA!"
+  entity_id: notify.alarm
+```
+
 ## Number
 
 The KNX number platform allows to send generic numeric values to the KNX bus and update its state from received telegrams. It can optionally respond to read requests from the KNX bus.