prevent current guide from being listed

_src/_layouts/guide.html

@@ -36,6 +36,7 @@ layout: base
     <div class="row">
         <div class="grid grid--full grid-small--half grid--gutters">
             {% for guide in site.guides limit: 4 %}
+                {% unless page.id == guide.id %}
                     <div class="grid__col">
                         <article class="guide">
                             <a href="{{ guide.url }}">
@@ -43,6 +44,7 @@ layout: base
                             </a>
                         </article>
                     </div>
+                {% endunless %}
             {% endfor %}
         </div>
     </div>