diff --git a/source/_integrations/button.mqtt.markdown b/source/_integrations/button.mqtt.markdown
index 3d67931de4d..e3393dc3229 100644
--- a/source/_integrations/button.mqtt.markdown
+++ b/source/_integrations/button.mqtt.markdown
@@ -62,7 +62,7 @@ command_template:
   type: template
 command_topic:
   description: The MQTT topic to publish commands to trigger the button.
-  required: false
+  required: true
   type: string
 device:
   description: "Information about the device this button is a part of to tie it into the [device registry](https://developers.home-assistant.io/docs/en/device_registry_index.html). Only works when [`unique_id`](#unique_id) is set. At least one of identifiers or connections must be present to identify the device."