diff --git a/user_guide/libraries/validation.html b/user_guide/libraries/validation.html
index 394be19..821e3cf 100644
--- a/user_guide/libraries/validation.html
+++ b/user_guide/libraries/validation.html
@@ -240,7 +240,7 @@
 
 <p>Your controller should now look like this:</p>
 
-<textarea class="textarea" style="width:100%" cols="50" rows="28"><?php
+<textarea class="textarea" style="width:100%" cols="50" rows="28">&lt;?php
 
 class Form extends Controller {
 	
@@ -340,7 +340,7 @@
 <p>Then add a new function called <dfn>username_check</dfn> to your controller.  Here's how your controller should look:</p>
 
 
-<textarea class="textarea" style="width:100%" cols="50" rows="44"><?php
+<textarea class="textarea" style="width:100%" cols="50" rows="44">&lt;?php
 
 class Form extends Controller {