Merge pull request #6038 from ckeditor/i/5886

Docs: Update Document Editor documentation snippet.

docs/_snippets/examples/document-editor.html

@@ -49,7 +49,7 @@ <h3 style="text-align:center;">Welcome letter</h3>
 				<p>Angelina Calvino, food journalist</p>
 			</blockquote>
 
-			<p>Please arrive at the <a href="http://ckeditor.com">Bilancino Hotel</a> reception desk <mark class="marker-yellow">at least half an hour earlier</mark> to make sure that the registration process goes as smoothly as possible.</p>
+			<p>Please arrive at the <a href="http://ckeditor.com">Bilancino Hotel</a> reception desk <span style="background-color:hsl(60, 75%, 60%)">at least half an hour earlier</span> to make sure that the registration process goes as smoothly as possible.</p>
 
 			<p>We look forward to welcoming you to the event.</p>