diff --git a/site/_docs/posts.md b/site/_docs/posts.md
index c2d2e24d..36b9fe1b 100644
--- a/site/_docs/posts.md
+++ b/site/_docs/posts.md
@@ -172,13 +172,15 @@ Also, as with any output generated by Liquid tags, you can pass the `| strip_htm
 
 Additionally you are able to specify per-post `excerpt_separator` value if it is required just only the the selected post. Just specify the `excerpt_separator` with the same way as `excerpt` in the post's YAML head:
 
-    ---
-    excerpt_separator: <!--more-->
-    ---
+{% highlight text %}
+---
+excerpt_separator: <!--more-->
+---
 
-    Excerpt
-    <!--more-->
-    Out-of-excerpt
+Excerpt
+<!--more-->
+Out-of-excerpt
+{% endhighlight %}
 
 ## Highlighting code snippets