diff --git a/user_guide/helpers/file_helper.html b/user_guide/helpers/file_helper.html
index 13d0beb..2c3dba1 100644
--- a/user_guide/helpers/file_helper.html
+++ b/user_guide/helpers/file_helper.html
@@ -88,7 +88,7 @@
 <code>
 $data = 'Some file data';<br />
 <br />
-if (! write_file('./path/to/file.php', $data))<br />
+if ( ! write_file('./path/to/file.php', $data))<br />
 {<br />
 &nbsp;&nbsp;&nbsp;&nbsp; echo 'Unable to write the file';<br />
 }<br />