fix sidebar

_layouts/default.html

@@ -33,7 +33,7 @@
 			<nav>
 				<a href='/' {%- if page.title == "Home" %} class='current'{% endif -%}>Home</a>
 				{%- for html_page in site.content -%}
-					{%- unless html_page.url == '/index' -%}
+					{%- unless html_page.title == 'Home' -%}
 						<a href='{{ html_page.url }}' {%- if page.title == html_page.title %} class='current'{% endif -%}>
 							{{ html_page.title }}
 						</a>