Fixed some instances of invalid html.

- Legacy-Id: 17758

ietf/templates/api/index.html

@@ -178,9 +178,9 @@
         document attributes are necessary for an application is 
         available for all documents at the relative url <code>doc.json</code>, e.g.,
         <code>{% url 'ietf.doc.views_doc.document_json' name='draft-ietf-poised95-std-proc-3' %}</code>
-        <a href="{% url 'ietf.doc.views_doc.document_json' name='draft-ietf-poised95-std-proc-3' %}"><span class="fa fa-external-link"/></a>.
+        <a href="{% url 'ietf.doc.views_doc.document_json' name='draft-ietf-poised95-std-proc-3' %}"><span class="fa fa-external-link"></span></a>.
         You can also specify an RFC:  <code>{% url 'ietf.doc.views_doc.document_json' name='rfc2026' %}</code>
-        <a href="{% url 'ietf.doc.views_doc.document_json' name='rfc2026' %}"><span class="fa fa-external-link"/></a>.
+        <a href="{% url 'ietf.doc.views_doc.document_json' name='rfc2026' %}"><span class="fa fa-external-link"></span></a>.
         No API key is needed to access this.
 
       </p>
@@ -327,6 +327,7 @@
 	To verify a signature and get the verified data using Python with the
 	<a href="https://jwcrypto.readthedocs.io/en/latest/">jwcrypto</a> module,
 	you could do:
+      </p>
 	<pre>
 from jwcrypto import jwk, jws
 
@@ -339,7 +340,6 @@ jwstoken.deserialize(data)
 jwstoken.verify(key)
 payload = jwstoken.payload
         </pre>
-      </p>
     </div>
 
   </div>

ietf/templates/nomcom/announcements.html

@@ -63,7 +63,7 @@
       <h2 class="anchor-target" id="references">References</h2>
       <ul>
 	<li><a href="https://datatracker.ietf.org/doc/rfc2026/">The Internet Standards Process (RFC 2026)</a></li>
-	<li><a href="https://datatracker.ietf.org/doc/rfc8713/">IAB, IESG, IETF Trust, and IETF LLC Selection, Confirmation, and Recall Process: Operation of the IETF Nominating and Recall Committees (RFC 8713) (Also BCP10)
+	<li><a href="https://datatracker.ietf.org/doc/rfc8713/">IAB, IESG, IETF Trust, and IETF LLC Selection, Confirmation, and Recall Process: Operation of the IETF Nominating and Recall Committees (RFC 8713) (Also BCP10)</a></li>
         <li><a href="https://datatracker.ietf.org/doc/rfc3797/">Publicly Verifiable Nominations Committee (NomCom) Random Selection (RFC 3797)</a></li>
       </ul>
 

ietf/templates/stats/document_stats_author_affiliation.html

@@ -84,8 +84,10 @@
   {% if alias_data %}
     <table class="table table-condensed">
       <thead>
-        <th>Affiliation</th>
-        <th>Alias</th>
+        <tr>
+          <th>Affiliation</th>
+          <th>Alias</th>
+        </tr>
       </thead>
 
       {% for name, alias in alias_data %}