markup changes

README.textile

@@ -7,7 +7,8 @@ What django-proxy provides is an aggregation of different content types by denor
 
 Current implementation example:
 
-    from django.db import models
+<pre>
+	from django.db import models
 	from django.db.models import signals
     from django_proxy.signals import proxy_save, proxy_delete
     ...
@@ -32,7 +33,7 @@ Current implementation example:
 
     signals.post_save.connect(proxy_save, Post, True)
     signals.post_delete.connect(proxy_delete, Post)
-
+</pre>
 
 h2. Dependencies