Improve AsciicastDecorator#description

app/decorators/asciicast_decorator.rb

@@ -107,8 +107,12 @@ class AsciicastDecorator < ApplicationDecorator
   end
 
   def description
-    text = asciicast.description.to_s
-    markdown(text)
+    if asciicast.description.present?
+      text = asciicast.description.to_s
+      markdown(text)
+    else
+      h.content_tag :em, 'No description.'
+    end
   end
 
   def author_profile_link(options = {})

app/views/asciicasts/show.html.erb

@@ -9,11 +9,7 @@
     <div class="main">
       <h1><%= @asciicast.title %></h1>
       <div class="description">
-        <% if @asciicast.description.present? -%>
-          <%= @asciicast.description %>
-        <% else -%>
-          <em>No description.</em>
-        <% end -%>
+        <%= @asciicast.description %>
       </div>
     </div>