diff --git a/bip-0143.mediawiki b/bip-0143.mediawiki
index 29e5e07e..72ef22d7 100644
--- a/bip-0143.mediawiki
+++ b/bip-0143.mediawiki
@@ -35,6 +35,8 @@ A new transaction digest algorithm is defined, but only applicable to sigops in
      9. nLocktime of the transaction (4-byte little endian)
     10. sighash type of the signature (4-byte little endian)
 
+All components in the original algorithm, including the behavior <code>OP_CODESEPERATOR</code>, remains unchanged. The only difference is the way of serialization and the inclusion of amount being spent.
+
 The items 1, 4, 7, 9, 10 have the same meaning as the original algorithm. <ref name=wiki></ref>
 
 The item 5: