diff --git a/user_guide/libraries/cart.html b/user_guide/libraries/cart.html
index 0dcf04a..fb5f662 100644
--- a/user_guide/libraries/cart.html
+++ b/user_guide/libraries/cart.html
@@ -58,7 +58,7 @@
 
 <h1>Shopping Cart Class</h1>
 
-<p>The Cart Class permits items to be added to a session that stays active while a user is browsing your site.  
+<p>The Cart Class permits items to be added to a session that stays active while a user is browsing your site.
 These items can be retrieved and displayed in a standard "shopping cart" format, allowing the user to update the quantity or remove items from the cart.</p>
 
 <p>Please note that the Cart Class ONLY provides the core "cart" functionality.  It does not provide shipping, credit card authorization, or other processing components.</p>
@@ -109,7 +109,7 @@
 <li><strong>options</strong> - Any additional attributes that are needed to identify the product.  These must be passed via an array.
 </ul>
 
-<p>In addition to the five indexes above, there are two reserved words: <dfn>rowid</dfn> and <dfn>subtotal</dfn>.  These are used internally by the Cart class, so 
+<p>In addition to the five indexes above, there are two reserved words: <dfn>rowid</dfn> and <dfn>subtotal</dfn>.  These are used internally by the Cart class, so
 please do NOT use those words as index names when inserting data into the cart.</p>
 
 <p>Your array may contain additional data.  Anything you include in your array will be stored in the session.  However, it is best to standardize your data among
@@ -181,24 +181,24 @@
 &lt;?php foreach($this->cart->contents() as $items): ?>
 
 	&lt;?php echo form_hidden($i.'[rowid]', $items['rowid']); ?>
-	
+
 	&lt;tr>
 	  &lt;td>&lt;?php echo form_input(array('name' => $i.'[qty]', 'value' => $items['qty'], 'maxlength' => '3', 'size' => '5')); ?>&lt;/td>
 	  &lt;td>
 		&lt;?php echo $items['name']; ?>
-					
+
 			&lt;?php if ($this->cart->has_options($items['rowid']) == TRUE): ?>
-					
+
 				&lt;p>
 					&lt;?php foreach ($this->cart->product_options($items['rowid']) as $option_name => $option_value): ?>
-						
+
 						&lt;strong>&lt;?php echo $option_name; ?>:&lt;/strong> &lt;?php echo $option_value; ?>&lt;br />
-										
+
 					&lt;?php endforeach; ?>
 				&lt;/p>
-				
+
 			&lt;?php endif; ?>
-				
+
 	  &lt;/td>
 	  &lt;td style="text-align:right">&lt;?php echo $this->cart->format_number($items['price']); ?>&lt;/td>
 	  &lt;td style="text-align:right">$&lt;?php echo $this->cart->format_number($items['subtotal']); ?>&lt;/td>