<http://schema.org/description>
"For the past several months, Google has been providing monthly search quality highlight posts, sharing a number of changes they made to the search side of Google.On June 7th, they announced 39 changes"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.seroundtable.com/google-search-quality-update-slow-15433.html>