update Compatibility

Author: omarshibli

bip-draft.mediawiki

@@ -234,7 +234,7 @@ Verification operation will succeed only if we use identical documents to ones t
 
 ==Compatibility==
 
-This scheme is a BIP43 compliant.
+This specification is BIP-0043 compliant. Communication between payor and payee as well as hashing the contract and generating the path requires significant modification to the wallet.
 
 ==Reference implementations==