WIP: fix OSHW mark image src (3)

_templates/oshw.html

@@ -8,7 +8,7 @@
         <p class="card-text text-dark">
             <a href="https://certification.oshwa.org/{{ oshw_id|lower }}.html" target="_blank">
               {% if pages_slug %}
-                <img src="../../../../{{pages_slug}}/_static/images/oshw/{{board}}_{{path | replace('/', '#')}}_{{oshw_id}}.svg" alt="{{board}} OSHW mark"/>
+                <img src="../../../../{{pages_slug}}/_static/images/oshw/{{board}}_{{path | replace('/', '-')}}_{{oshw_id}}.svg" alt="{{board}} OSHW mark"/>
               {% else %}
                 <img src="../../../../_static/images/oshw/{{board}}_{{path | replace('/', '-')}}_{{oshw_id}}.svg" alt="{{board}} OSHW mark"/>
               {% endif %}