fix formatting

README.textile

@@ -172,10 +172,12 @@ Any files that contain a YAML front matter block will be processed by Jekyll
 as special files. The front matter must be the first thing in the file and
 takes the form of:
 
+<pre>
   ---
   layout: post
   title: Blogging Like a Hacker
   ---
+</pre>
 
 Between the triple-dashed lines, you can set predefined variables (see below
 for a reference) or custom data of your own.
@@ -200,7 +202,7 @@ data that is sent to the Liquid templating engine during the conversion. For
 instance, if you set a <code>title</code>, you can use that in your layout to
 set the page title:
 
-  <title>{{ page.title }}</title>
+  &lt;title&gt;{{ page.title }}&lt;/title&gt;
 
 h2. Filters, Tags, and Blocks