Fix minor syntax issues in Trust Model section.

index.html

@@ -2815,8 +2815,8 @@ <h3>Trust Model</h3>
 
        <p>
 How [=verifiers=] decide which [=issuers=] to trust, and for what data or
-purposes, is out of scope for this recommendation. Some [=issuers=] (such as
-well-known organizations), might be trusted by many [=verifiers=] simply because
+purposes, is out of scope for this recommendation. Some [=issuers=], such as
+well-known organizations, might be trusted by many [=verifiers=] simply because
 of their reputation. Some [=issuers=] and [=verifiers=] might be members of a
 community in which all members trust each other due to the rules of membership.
 Some [=verifiers=] might trust a specific trust-service provider whose