change 'owned' to 'controlled'

Signed-off-by: Brent <brent.zundel@gmail.com>

index.html

@@ -609,7 +609,7 @@ <h1>Trust Model</h1>
         </li>
         <li>
 All entities trust the <a>Verifiable data registry</a> to be tamper-evident and
-to be a correct record of which data is owned (and can be updated) by which
+to be a correct record of which data is controlled by which
 <a>entities</a>.
         </li>
         <li>