diff --git a/rfcs/0001-messages.md b/rfcs/0001-messages.md
index 3b7409a..0ee26de 100644
--- a/rfcs/0001-messages.md
+++ b/rfcs/0001-messages.md
@@ -285,7 +285,8 @@ Bytes           | Field name       | Data type
 
 Bytes   | Field name          | Data type
 --------|---------------------|-----------
-32+32   | signing_commitments | SigningCommitments
+32   | hiding | AffinePoint
+32   | binding | AffinePoint
 
 #### `MsgSigningPackage`