These errors occur when :ref:`SSL certificate verification <verification>`
fails to match the certificate the server responds with to the hostname
Requests thinks it's contacting. If you're certain the server's SSL setup is
-correct (for example, because you can visit the site with your browser) a
-possible explanation is Request's is lacking Server-Name-Indication.
+correct (for example, because you can visit the site with your browser) and
+you're using Python 2.6 or 2.7, a possible explanation is that you need
+Server-Name-Indication.
`Server-Name-Indication`_, or SNI, is an official extension to SSL where the
client tells the server what hostname it is contacting. This enables `virtual