Fixed typo and missing tag in email

templates/mail/organisation-approval-request.html.twig

@@ -23,7 +23,7 @@
 
         <dt>Organisation description:</dt>
         <dd>{{organisation.description}}</dd>
-
+    </dl>
 </p>
 <p>
     You may approve or deny this organisation via the control dashboard  (<a href="{{site.uri.public}}/organisations">{{site.uri.public}}/organisations</a>).
@@ -36,7 +36,7 @@
 </p>
 {% if approval_expiration %}
 <p>
-    The approcal period for this organisation will expire in {{approval_expiration}} at which point the organisation registration will be automatically denied.
+    The approval period for this organisation will expire in {{approval_expiration}} at which point the organisation registration will be automatically denied.
 </p>
 {% endif %}
 <p>