Fix website descriptions

website/config.rb

@@ -56,4 +56,13 @@ helpers do
 
     "Vagrant by HashiCorp"
   end
+
+  # Get the description for the page
+  #
+  # @param [Middleman::Page] page
+  #
+  # @return [String]
+  def description_for(page)
+    return escape_html(current_page.data.description || "")
+  end
 end

website/source/layouts/_header.erb

@@ -5,7 +5,7 @@
     <meta charset="utf-8">
 
     <title><%= title_for(current_page) %></title>
-    <meta name="description" content="<%= current_page.data.description %>" />
+    <meta name="description" content="<%= description_for(current_page) %>" />
 
     <%= stylesheet_link_tag "application" %>