diff --git a/system/libraries/Cart.php b/system/libraries/Cart.php
index ec67d9b..389b1b7 100644
--- a/system/libraries/Cart.php
+++ b/system/libraries/Cart.php
@@ -326,7 +326,7 @@
 	 * This function permits changing item properties.
 	 * Typically it is called from the "view cart" page if a user makes
 	 * changes to the quantity before checkout. That array must contain the
-	 * rowid and qty for each item.
+	 * rowid and quantity for each item.
 	 *
 	 * @param	array
 	 * @return	bool
diff --git a/user_guide_src/source/libraries/cart.rst b/user_guide_src/source/libraries/cart.rst
index 6d0dd2e..a0870e3 100644
--- a/user_guide_src/source/libraries/cart.rst
+++ b/user_guide_src/source/libraries/cart.rst
@@ -206,9 +206,7 @@
 
 To update the information in your cart, you must pass an array
 containing the Row ID and quantity to the $this->cart->update()
-function, you may also update any property you have previously 
-defined when inserting the item such as options, price 
-or other custom fields you defined.
+function.
 
 .. note:: If the quantity is set to zero, the item will be removed from
 	the cart.
@@ -217,7 +215,6 @@
 
 	$data = array(
 	               'rowid' => 'b99ccdf16028f015540f341130b6d8ec',
-	               'price' => 10,
 	               'qty'   => 3
 	            );
 
@@ -242,6 +239,20 @@
 
 	$this->cart->update($data);
 
+You may also update any property you have previously 
+defined when inserting the item such as options, price 
+or other custom fields you defined.
+
+::
+	$data = array(
+		       'rowid'	 => 'b99ccdf16028f015540f341130b6d8ec',
+	               'qty'     => 1,
+		       'price'	 => 49.95,
+	               'coupon'	 => NULL
+	            );
+
+	$this->cart->update($data);
+
 What is a Row ID?
 *****************