diff --git a/docs/core/entity/button.md b/docs/core/entity/button.md
index 82ced85d..efc75a07 100644
--- a/docs/core/entity/button.md
+++ b/docs/core/entity/button.md
@@ -46,5 +46,6 @@ Optionally specifies what type of entity it is. It will possibly map to Google d
 
 | Constant | Description
 | ----- | -----------
+| `ButtonDeviceClass.IDENTIFY` | The button entity identifies a device.
 | `ButtonDeviceClass.RESTART` | The button entity restarts the device.
 | `ButtonDeviceClass.UPDATE` | The button entity updates the software of the device. The use of this device class should be avoided, please consider using the [`update`](/docs/core/entity/update) entity instead.