Fixed social.coop link

It was pointed at a non-existent page when wiki links got rewritten.

theme/partials/default.hbs

@@ -31,7 +31,7 @@
                     <h1 class="site-title"><a class="js-ajax-link" title="{{@root.config.title}}" href="{{url @root.config.urls.base}}">{{@root.config.title}}</a></h1>
                 </div>
                 <ul class="site-nav">
-                    <li class="site-nav-item"><a class="js-ajax-link" title="Social.coop" href="https://social.coop/wiki/about/more">Social.coop</a></li>
+                    <li class="site-nav-item"><a class="js-ajax-link" title="Social.coop" href="https://social.coop/about/more">Social.coop</a></li>
                     <li class="site-nav-item"><a class="js-ajax-link" title="Governance" href="https://wiki.social.coop/wiki/Governance">Governance</a></li>
                     <li class="site-nav-item"><a class="js-ajax-link" title="Operations" href="https://wiki.social.coop/wiki/Operations">Operations</a></li>
                     <li class="site-nav-item"><a class="js-ajax-link" title="Platforms" href="https://wiki.social.coop/wiki/Platforms">Platforms</a></li>