diff --git a/docs/hassio_addon_config.md b/docs/hassio_addon_config.md
index beb281ab..5f6eb608 100644
--- a/docs/hassio_addon_config.md
+++ b/docs/hassio_addon_config.md
@@ -104,7 +104,7 @@ The config for an add-on is stored in `config.json`.
 | version | string | yes | Version of the add-on
 | slug | string | yes | Slug of the add-on
 | description | string | yes | Description of the add-on
-| arch | list | no | List of supported arch: `armhf`, `aarch64`, `amd64`, `i386`. Default all.
+| arch | list | yes | List of supported arch: `armhf`, `armv7`, `aarch64`, `amd64`, `i386`.
 | machine | list | no | Default it support any machine type. You can select that this add-on run only on specific machines.
 | url | url | no | Homepage of the addon. Here you can explain the add-ons and options.
 | startup | bool | yes | `initialize` will start addon on setup of Hass.io. `system` is for things like databases and not dependent on other things. `services` will start before Home Assistant, while `application` is started afterwards. Finally `once` is for applications that don't run as a daemon.