Update enable-https.md

Updating docs for TXT records

source/content/partials/enable-https.md

@@ -10,7 +10,7 @@ reviewed: ""
 
 ## Provision HTTPS
 
-The process to provision certificates kicks off automatically after the domain has been successfully routed to Pantheon, and is indicated by the following notice:
+The certificate provisioning process begins once domain ownership is verified through the necessary TXT records provided in the Pantheon dashboard, then added to your DNS provider and successfully directed to Pantheon. This will be confirmed by the following notice
 
 <Partial file="notes/https-info.md" />