diff --git a/_posts/2018-05-10-netlify-cms.md b/_posts/2018-05-10-netlify-cms.md
index 7feba0f..43d4a93 100644
--- a/_posts/2018-05-10-netlify-cms.md
+++ b/_posts/2018-05-10-netlify-cms.md
@@ -9,3 +9,8 @@ categories:
   - web
 ---
 This is my first post from Netlify CMS.
+
+```ruby
+This is a code block
+With some ruby code.
+```