fix doc

Author: mattcosta7

docs/content/Button.mdx

@@ -153,7 +153,7 @@ Native `<button>` HTML attributes are forwarded to the underlying React `button`
   />
   <PropsTableAsRow defaultElementType="button" />
   <PropsTableSxRow />
- <PropsTablePassthroughPropsRow
+  <PropsTablePassthroughPropsRow
     elementName="button"
     passthroughPropsLink={
       <Link href="https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attributes">MDN</Link>