Shorten description to a maximum of 160 characters
As recommended by http://moz.com/learn/seo/meta-description
diff --git a/templates/article.html b/templates/article.html
index da3a987..afe6a8b 100644
--- a/templates/article.html
+++ b/templates/article.html
@@ -9,7 +9,7 @@
{% endblock %}
{% block title %}{{ article.title|striptags|escape }} | {{ SITENAME }}{% endblock %}
-{% block description %}{{ article.title|striptags|escape }} | {{ article.content|striptags|truncate(250)|escape }}{% endblock %}
+{% block description %}{{ article.title|striptags|escape }} | {{ article.content|striptags|truncate(154-article.title|length)|escape }}{% endblock %}
{% block subheader %}
<p>Posted