diff --git a/system/libraries/URI.php b/system/libraries/URI.php
index 26a7b4a..4d0cd9c 100644
--- a/system/libraries/URI.php
+++ b/system/libraries/URI.php
@@ -1,4 +1,4 @@
-<?php  if (!defined('BASEPATH')) exit('No direct script access allowed');
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
@@ -134,7 +134,7 @@
 	 */	
 	function _parse_request_uri()
 	{
-		if (! isset($_SERVER['REQUEST_URI']) OR $_SERVER['REQUEST_URI'] == '')
+		if ( ! isset($_SERVER['REQUEST_URI']) OR $_SERVER['REQUEST_URI'] == '')
 		{
 			return '';
 		}
@@ -186,7 +186,7 @@
 	{
 		if ($str != '' AND $this->config->item('permitted_uri_chars') != '')
 		{
-			if (! preg_match("|^[".preg_quote($this->config->item('permitted_uri_chars'))."]+$|i", $str))
+			if ( ! preg_match("|^[".preg_quote($this->config->item('permitted_uri_chars'))."]+$|i", $str))
 			{
 				exit('The URI you submitted has disallowed characters.');
 			}
@@ -279,7 +279,7 @@
 	 */
 	function segment($n, $no_result = FALSE)
 	{
-		return (! isset($this->segments[$n])) ? $no_result : $this->segments[$n];
+		return ( ! isset($this->segments[$n])) ? $no_result : $this->segments[$n];
 	}
 
 	// --------------------------------------------------------------------
@@ -298,7 +298,7 @@
 	 */
 	function rsegment($n, $no_result = FALSE)
 	{
-		return (! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n];
+		return ( ! isset($this->rsegments[$n])) ? $no_result : $this->rsegments[$n];
 	}
 
 	// --------------------------------------------------------------------
@@ -361,7 +361,7 @@
 			$segment_array = 'rsegment_array';
 		}
 		
-		if (! is_numeric($n))
+		if ( ! is_numeric($n))
 		{
 			return $default;
 		}
@@ -410,7 +410,7 @@
 		{
 			foreach ($default as $val)
 			{
-				if (! array_key_exists($val, $retval))
+				if ( ! array_key_exists($val, $retval))
 				{
 					$retval[$val] = FALSE;
 				}
@@ -586,6 +586,6 @@
 
 }
 // END URI Class
-
-/* End of file URI.php */
+
+/* End of file URI.php */
 /* Location: ./system/libraries/URI.php */
\ No newline at end of file