Fix error of missing percent

Author: Ivan Stegic

_layouts/page.html

@@ -21,7 +21,7 @@ <h1 class="post-title">{{ page.title | escape }}</h1>
   <div class="progress-bar">
     <div class="progress-bar-section is-read"></div>
 
-    {%- if page.url == '/' -}
+    {%- if page.url == '/' -%}
       {% assign is_read = false %}
     {% else %}
       {% assign is_read = true %}