diff --git a/post-content.js b/post-content.js
index 35e29f5935a631..7b139a8f980f01 100644
--- a/post-content.js
+++ b/post-content.js
@@ -126,8 +126,8 @@ window._wpGutenbergPost.content = {
 		'<p>Any block can opt into these alignments. The embed block has them also, and is responsive out of the box:</p>',
 		'<!-- /wp:paragraph -->',
 
-		'<!-- wp:embed {"url":"https://vimeo.com/22439234","align":"wide"} -->',
-		'<figure class="wp-block-embed alignwide">https://vimeo.com/22439234</figure>',
+		'<!-- wp:embed {"url":"https://vimeo.com/22439234","align":"wide","type":"video","providerNameSlug":"vimeo"} -->',
+		'<figure class="wp-block-embed alignwide is-type-video is-provider-vimeo">https://vimeo.com/22439234</figure>',
 		'<!-- /wp:embed -->',
 
 		'<!-- wp:paragraph -->',