fix: don’t show banner if % rounds to 0

output/_layouts/default.html

@@ -50,9 +50,11 @@
       </div>
     {% elsif site.data.meta.total_fetched < site.data.meta.total_tweets %}
       {% assign perc_unfetched = site.data.meta.total_fetched | times: -100 | divided_by: site.data.meta.total_tweets | plus:100 %}
+      {% if perc_unfetched > 0 %}
       <div class="alert alert-warning" role="alert">
         <strong>Tweets are currently being indexed.</strong> The {{ perc_unfetched }}% of unindexed tweets will not be included in search or filtering. <em><a class="alert-link" href="{{ '/about/#tweet-indexing-status' | relative_url }}">More…</a></em>
       </div>
+      {% endif %}
     {% endif %}
 
     <main>