<http://schema.org/description>
"There are two reports, I believe from the same individual, about being prompted via email from Google that Google Webmaster Tools detected doorway pages on his site.The reports are at WebmasterWorld a"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-notice-detected-doorway-pages-12632.html>