diff --git a/docs/protocols/ur_registrys/draft/zcash.md b/docs/protocols/ur_registrys/draft/zcash.md
index b05afe3ea..482f3f1e5 100644
--- a/docs/protocols/ur_registrys/draft/zcash.md
+++ b/docs/protocols/ur_registrys/draft/zcash.md
@@ -27,7 +27,7 @@ This protocol focuses on the Transparent and Orchard components.
 
 #### CDDL for Zcash Accounts
 
-The specification uses CDDL and includes `crypto-hdkey` and `crypto-key-path` specs.
+The specification uses CDDL and includes `crypto-hdkey` and `crypto-key-path` specs defined in https://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-007-hdkey.md.
 
 ```cddl
 zcash-accounts = {
@@ -43,7 +43,7 @@ zcash-ufvk = {
 }
 
 zcash-fvk = {
-    origin: crypto-key-path,
+    key-path: crypto-key-path,
     key-data: bytes,
 }
 ```