Fix warning in index.html

ianonavy/index.html

@@ -13,7 +13,7 @@ layout: default
     <span class="post-meta">{{ post.date | date: "%b %-d, %Y" }}</span>
     <div class="post-content-truncate">
       {% if post.content contains "<!-- more -->" %}
-        {{ post.content | split:"<!-- more -->" | first % }}
+        {{ post.content | split:"<!-- more -->" | first }}
       {% else %}
         {{ post.content | strip_html | truncatewords:100 }}
       {% endif %}