diff --git a/user_guide/general/creating_libraries.html b/user_guide/general/creating_libraries.html
index c2c600e..c131870 100644
--- a/user_guide/general/creating_libraries.html
+++ b/user_guide/general/creating_libraries.html
@@ -98,7 +98,7 @@
 
 <p>Classes should have this basic prototype (Note:  We are using the name <kbd>Someclass</kbd> purely as an example):</p>
 
-<code>&lt;?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+<code>&lt;?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 <br /><br />
 class Someclass {<br />
 <br />
@@ -137,7 +137,7 @@
 
 <p>If you use this feature you must set up your class constructor to expect data:</p>
 
-<code>&lt;?php  if (!defined('BASEPATH')) exit('No direct script access allowed');<br />
+<code>&lt;?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');<br />
 <br />
 class Someclass {<br />
 <br />