nit: remove "if you understand this diff"

Author: bholmesdev

packages/integrations/mdx/README.md

@@ -225,7 +225,9 @@ const { frontmatter, url } = Astro.props;
 
 You can also add type safety using [the `Props` type](/en/guides/typescript/#component-props) with the `MDXLayoutProps` helper.
 
-_**Note:** `MDXLayoutProps` is the same as the `MarkdownLayoutProps` utility type, with `rawContent()` and `compiledContent()` removed (since these are not available for `.mdx` files). If you understand this difference, feel free to use `MarkdownLayoutProps` instead when sharing a layout across `.md` and `.mdx` files._
+:::note
+`MDXLayoutProps` is the same as the `MarkdownLayoutProps` utility type with `rawContent()` and `compiledContent()` removed (since these are not available for `.mdx` files). Feel free to **use `MarkdownLayoutProps` instead** when sharing a layout across `.md` and `.mdx` files.
+:::
 
 ```astro ins={2,4-9}
 ---