Merge pull request amitmerchant1990#90 from amatlack/patch-2

fixing a typo

Author: amitmerchant1990

_includes/meta.html

@@ -4,7 +4,7 @@
 
 {% if page.excerpt %}
 <meta property="og:description" content="{{ page.excerpt| strip_html }}" />
-{% elsif page.description %}
+{% else if page.description %}
 <meta property="og:description" content="{{ page.description }}" />
 {% else %}
 <meta property="og:description" content="{{ site.description }}" />