Update bip-invoicerequest-extension.mediawiki

bip-invoicerequest-extension.mediawiki

@@ -1,5 +1,5 @@
 <pre>
-  BIP:     XXX
+  BIP:     TBD
   Title:   Out of Band Address Exchange using Encrypted PaymentRequests
   Authors: Justin Newton <justin@netki.com>
            Matt David <mgd@mgddev.com>
@@ -468,4 +468,4 @@ In this case, the Sender submits the transaction to the bitcoin network.
 * [https://en.wikipedia.org/wiki/Elliptic_curve_Diffie–Hellman ECDH]
 * [http://csrc.nist.gov/publications/nistpubs/800-90A/SP800-90A.pdf HMAC_DRBG]
 * [https://tools.ietf.org/html/rfc6979 RFC6979]
-* [https://en.bitcoin.it/wiki/Address_reuse Address Reuse]
+* [https://en.bitcoin.it/wiki/Address_reuse Address Reuse]