--- README.txt.orig	2009-11-12 12:50:54.532222570 -0500
+++ README.txt	2009-11-12 13:02:57.440222483 -0500
@@ -1,6 +1,10 @@
 /* $Id: README.txt,v 1.10 2007/01/25 00:14:06 prometheus6 Exp $ */
 amazon.module uses Amazon's ECS4 REST interface. The code (in amazon.inc) will work with all Amazon.com stores. The data (in amazon_init.inc) has the basic codes local to each store. If you edit amazon_init.inc, make sure your editor understands UTF-8 encoding. The data arrays for the German and French Amazon shops have accented characters that may be lost.
 
+As of August 15th, 2009 all requests to Amazon's API need to be authenticated.  This modules takes care of this process but you will need to sign up for and enter an Amazon AWS API key.  Instructions for this are as follows:
+1. Create an AWS API Account by going to http://aws.amazon.com/ (select "Create an AWS Account" on the top right.
+2. After you are logged in you can create the key that is required to use this module.  Documentation is found at http://docs.amazonwebservices.com/AWSECommerceService/latest/DG/index.html
+
 New for 5.0:
 The amazon_init.inc data file has been split into the following country specific files.
 amazon_US.inc
@@ -73,4 +77,4 @@ Because the 'amazon-node' nodes are stan
 
 The module has a block that displays a random item linked to the Amazon detail page for the item. The 4.7 version also has a random review (does not include items entered as related links) and recommended book (includes only those items rated above a configurable value).
 -----------------------------------------------------------------------
-The search functionality has been improved
\ No newline at end of file
+The search functionality has been improved