diff --git a/bip-0070/paymentrequest.proto b/bip-0070/paymentrequest.proto
index 9d9a9a38..f83b110a 100644
--- a/bip-0070/paymentrequest.proto
+++ b/bip-0070/paymentrequest.proto
@@ -2,8 +2,8 @@
 // Simple Bitcoin Payment Protocol messages
 //
 // Use fields 100+ for extensions;
-// to avoid conflicts, register extensions at:
-// https://en.bitcoin.it/wiki/Payment_Request
+// to avoid conflicts, register extensions via pull-req at:
+// https://github.com/bitcoin/bips
 //
 
 package payments;