update user guide for replacing 'br/' with 'br /'
diff --git a/user_guide/libraries/output.html b/user_guide/libraries/output.html
index 7361d79..64ba482 100644
--- a/user_guide/libraries/output.html
+++ b/user_guide/libraries/output.html
@@ -82,12 +82,12 @@
 
 <p>Permits you to set the mime-type of your page so you can serve JSON data, JPEG's, XML, etc easily.</p>
 
-<code>$this->output<br/>
-&nbsp;&nbsp;&nbsp;&nbsp;->set_content_type('application/json')<br/>
-&nbsp;&nbsp;&nbsp;&nbsp;->set_output(json_encode(array('foo' => 'bar')));<br/>
-<br/>
-$this->output<br/>
-&nbsp;&nbsp;&nbsp;&nbsp;->set_content_type('jpeg') // You could also use ".jpeg" which will have the full stop removed before looking in config/mimes.php<br/>
+<code>$this->output<br />
+&nbsp;&nbsp;&nbsp;&nbsp;->set_content_type('application/json')<br />
+&nbsp;&nbsp;&nbsp;&nbsp;->set_output(json_encode(array('foo' => 'bar')));<br />
+<br />
+$this->output<br />
+&nbsp;&nbsp;&nbsp;&nbsp;->set_content_type('jpeg') // You could also use ".jpeg" which will have the full stop removed before looking in config/mimes.php<br />
 &nbsp;&nbsp;&nbsp;&nbsp;->set_output(file_get_contents('files/something.jpg'));</code>
 
 <p><strong>Important:</strong> Make sure any non-mime string you pass to this method exists in config/mimes.php or it will have no effect.</p>
@@ -174,4 +174,4 @@
 </div>
 
 </body>
-</html>
\ No newline at end of file
+</html>