Typo in Documentation

html/documentation.html

@@ -87,7 +87,7 @@ title: Documentation - Frama-C
                 <div class="docItem"><a href="{{add.link}}">{% if add.short %}{{add.short}}{% else %}{{add.name}}{% endif %}</a></div>
                 {% endfor %}
                 {% if plugin.repo_url %}
-                <div class="docItem"><a href="{{{plugin.repo_url}}">External repository</a></div>
+                <div class="docItem"><a href="{{plugin.repo_url}}">External repository</a></div>
                   {% endif %}
               	</div>
 			        {% endfor %}