diff --git a/bip-0072.mediawiki b/bip-0072.mediawiki
index e4ed52f3..8617dbe4 100644
--- a/bip-0072.mediawiki
+++ b/bip-0072.mediawiki
@@ -45,7 +45,9 @@ in RFC 2616):
 
 If a PaymentRequest cannot be obtained (perhaps the server is
 unavailable), then the customer should be informed that the merchant's
-payment processing system is unavailable.
+payment processing system is unavailable. In the case of an HTTP
+request, status codes which are neither success nor error (such as
+redirect) should be handled as outlined in RFC 2616.
 
 ==Compatibility==