Tweak index language. See #22

index.html

@@ -31,9 +31,9 @@ <h1>Portier</h1>
         <h2>Overview</h2>
 
         <ul>
-          <li><p><strong>Email-first</strong>: Email addresses are decentralized, self-hostable, and the lowest common denominator for identity on the Internet.</p></li>
+          <li><p><strong>Email-first</strong>: Since email addresses are decentralized, self-hostable, and useful on their own, Portier uses them to identify users.</p></li>
           <li><p><strong>Connected</strong>: Whenever possible, Portier integrates with major APIs like Google Sign-In to provide seamless, in-browser identity verification.</p></li>
-          <li><p><strong>Open and Transparent</strong>: Portier does not hide or obscure email addresses.</p></li>
+          <li><p><strong>Open and Transparent</strong>: Because Portier uses email addresses, there is never any lock-in.</p></li>
           <li><p><strong>Decentralized</strong>: Anyone can host their own Portier Broker; there are no centralized dependencies.</p></li>
         </ul>