README in exact4r-0.5.1 vs README in exact4r-0.5.2

@@ -2,9 +2,16 @@
 A gem which rrovides access to E-xact's Web Services API, allowing the submission
 of financial transactions via REST, JSON or SOAP. 
 
 == Getting Started
 
+To submit requests to our transaction processing service, you must first have a Gateway ID,
+and a password. Test logins are as follows:
+
+  Account 1:  :gateway_id => "A00049-01", :password => "test1"
+  Account 2:  :gateway_id => "A00427-01", :password => "testus"
+
+
 =1. Submit a transaction
 
   require 'rubygems'
   require 'exact4r'