Fix unpluralized word in index

templates/layouts/index.html

@@ -23,7 +23,7 @@
                     <div>
                         <ul>
                             <li>
-                                <strong>{{ comments }}</strong> comment across <strong>{{ posts }}</strong>
+                                <strong>{{ comments }}</strong> comment{{ comments |pluralize}} across <strong>{{ posts }}</strong>
                                 post{{ posts|pluralize }}<br>
                             </li>
                             <li>