Update 404.md

Author: structured-query-language

404.md

@@ -66,3 +66,14 @@
     {% endif %}
 {% endfor %}
 </ul>
+
+## JSON
+<ul id="recent-articles">
+{% for page in site.pages %}
+    {% if page.title contains "JSON" %}
+    <li>
+    <a href="{{ page.url | relative_url }}">{{ page.title | escape }}</a>
+    </li>
+    {% endif %}
+{% endfor %}
+</ul>