use categories

layouts/index.html

@@ -3,11 +3,11 @@
   <div class="h-feed">
     {{ range (.Paginator 10).Pages }}
 
-      {{ if in .Params.category "tv"}}
+      {{ if in .Params.categories "tv"}}
     
         {{- partial "video_box.html" . -}}
 
-      {{ else if in .Params.category "calendar" }}
+      {{ else if in .Params.categories "calendar" }}
 
         {{- partial "calendar_card.html" . -}}