fix typo and update text

Author: gbxyz

index.html

@@ -46,7 +46,7 @@
 
 <div id="output-div"></div>
 
-<p>This page implements a <em>completely private</em> lookup tool for domain names, IP addresses and Autonymous System Numbers (ASNs). Only the relevant registry sees your query: your browser will directly connect to the registry's RDAP server using an encrypted HTTPS connection to protect the confidentiality of your query. If you click the "Follow referral to registrar's RDAP record" checkbox, then the sponsoring registrar may also see your query.</p>
+<p>This page implements a <em>completely private</em> lookup tool for domain names, IP addresses and Autonomous System Numbers (ASNs). Only the relevant registry sees your query: your browser will directly connect to the registry's RDAP server using an encrypted HTTPS connection to protect the confidentiality of your query. If the "Follow referral to registrar's RDAP record" checkbox is checked, then the sponsoring registrar may also see your query (if the registry provides a referral).</p>
 
 <ul>
   <li><a href="https://about.rdap.org" target="_new">Click here</a> for more information about what RDAP is and how it differs from traditional Whois.</li>