Index: doc/tls.html
==================================================================
--- doc/tls.html
+++ doc/tls.html
@@ -40,11 +40,12 @@
     <dd><a href="#CERTIFICATE VALIDATION">CERTIFICATE VALIDATION</a></dd>
     <dd><a href="#CALLBACK OPTIONS">CALLBACK OPTIONS</a></dd>
     <dd><a href="#DEBUG">DEBUG</a></dd>
     <dd><a href="#HTTPS EXAMPLE">HTTPS EXAMPLE</a></dd>
     <dd><a href="#SPECIAL CONSIDERATIONS">SPECIAL CONSIDERATIONS</a></dd>
-    <dd><a href="#SEE ALSO">SEE ALSO</a></dd>
+    <dd><a href="#See Also">See Also</a></dd>
+    <dd><a href="#KEYWORDS">KEYWORDS</a></dd>
 </dl>
 <br>
 
 <hr>
 
@@ -508,11 +509,11 @@
 <li>If OpenSSL is not installed, the CA certificates must be downloaded and
 installed with the user software. The CURL team makes them available at
 <a href="https://curl.se/docs/caextract.html">CA certificates extracted
 from Mozilla</a> in the <b>cacert.pem</b> file. You must then either
 set the <b>SSL_CERT_DIR</b> and/or <b>SSL_CERT_FILE</b> env vars or the
-<b>-cadir</b> or <b>-cafile</b> options must be set to the file's install
+<b>-cadir</b> or <b>-cafile</b> options to the CA cert file's install
 location. It is your responsibility to keep this file up to date.</li>
 </ul>
 <br>
 
 <hr>
@@ -869,19 +870,26 @@
 Use the <strong>tls::protocols</strong> commands to obtain the supported
 protocol versions.</p>
 
 <hr>
 
-<h3><a name="SEE ALSO">SEE ALSO</a></h3>
+<h3><a name="See Also">See Also</a></h3>
 
 <p><strong>socket</strong>, <strong>fileevent</strong>, <strong>http</strong>,
 <a href="https://www.openssl.org/"><strong>OpenSSL</strong></a></p>
 
 <hr>
+
+<h3><a name="KEYWORDS">KEYWORDS</a></h3>
+
+<p><strong>ssl</strong>, <strong>tls</strong>, <strong>socket</strong>,
+<strong>certificate</strong>, <strong>https</strong>
+
+<hr>
 
 <pre>
-Copyright &copy; 1999 Matt Newman.
-Copyright &copy; 2004 Starfish Systems.
-Copyright &copy; 2023 Brian O'Hagan.
+Copyright &copy; 1999 Matt Newman
+Copyright &copy; 2004 Starfish Systems
+Copyright &copy; 2023-2024 Brian O'Hagan
 </pre>
 </body>
 </html>