Asides are a built-in component provided by [Starlight](https://starlight.astro.build/components/asides/). Although there are more options, use only the ones below.

## Note

```mdx
:::note[Header]
Hello, world!
:::
```

Header

Hello, world!

The default header text is `Note`.

## Caution

```mdx
:::caution[Header]
Hello, world!
:::
```

Header

Hello, world!

The default header text is `Warning`.
