changing back to 1.165

Author: mahendya1002

README.md

@@ -18,7 +18,7 @@ Transaction Security Keys
 Refer to our [Developer Guide](http://apps.cybersource.com/library/documentation/dev_guides/security_keys/creating_and_using_security_keys.pdf) for details on how to generate .P12 key.
 
 ## CyberSource Web Services API Version 
-NuGet 1.4.3 has v1.165 urn:schemas-cybersource-com:transaction-data-1.165
+NuGet 1.4.3 has v1.164 urn:schemas-cybersource-com:transaction-data-1.164
 
 For latest version, check this https://ics2ws.ic3.com/commerce/1.x/transactionProcessor/
 

sample.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<requestMessage xmlns="urn:schemas-cybersource-com:transaction-data-1.165">
+<requestMessage xmlns="urn:schemas-cybersource-com:transaction-data-1.164">
   <!--we'll let the client add the merchantID-->
 	<merchantReferenceCode>your_merchant_reference_code</merchantReferenceCode>
 	<billTo>