Fix broken links.

Author: msporny

index.html

@@ -3179,7 +3179,7 @@ <h2>Integrity of Related Resources</h2>
 Implementers are urged to consult appropriate sources, such as the
 <a href="https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf">
 FIPS 180-4 Secure Hash Standard</a> and the
-<a href="https://media.defense.gov/2022/Sep/07/2003071834/-1/-1/0/CSA_CNSA_2.0_ALGORITHMS_.PDF">
+<a href="https://en.wikipedia.org/wiki/Commercial_National_Security_Algorithm_Suite">
 Commercial National Security Algorithm Suite 2.0</a> to ensure that they are
 choosing a current and reliable hash algorithm. At the time of this writing
 `sha384` SHOULD be considered the minimum strength hash algorithm for use by
@@ -4493,7 +4493,7 @@ <h3>Media Type Precision</h3>
 credentials=] and [=verifiable presentations=] in accept headers and when
 indicating content types. Implementers are warned that HTTP servers might ignore
 the accept header and return another content type, or return an error code such
-as <a data-cite="RFC7231#section-6.5.13">`415 Unsupported Media Type`</a>.
+as <a data-cite="RFC7231#rfc.section.6.5.13">`415 Unsupported Media Type`</a>.
           </p>
         </section>
       </section>
@@ -7727,7 +7727,6 @@ <h2>Acknowledgements</h2>
 Devin Rousso,
 Dmitri Zagidulin,
 Dominique Hazael-Massieux,
-<a href="https://github.com/Dostkamp">Dostkamp</a>,
 Drummond Reed,
 <a href="https://github.com/Emmanuel">Emmanuel</a>,
 <a href="https://github.com/enuoCM">enuoCM</a>,
@@ -7747,7 +7746,6 @@ <h2>Acknowledgements</h2>
 Grant Noble,
 Greg Bernstein,
 Gregg Kellogg,
-<a href="https://github.com/Haber">Haber</a>,
 Heather Vescent,
 Henry Andrews,
 Henry Story,