diff --git a/draft-ietf-cose-hash-envelope.md b/draft-ietf-cose-hash-envelope.md
index 93fdc45..fcc4bfd 100644
--- a/draft-ietf-cose-hash-envelope.md
+++ b/draft-ietf-cose-hash-envelope.md
@@ -94,7 +94,7 @@ TBD_3:
 Hash_Envelope_Protected_Header = {
     ? &(alg: 1) => int,
     ? &(typ: 16) => uint / tstr
-    &(payload_hash_alg: TBD_1) => uint
+    &(payload_hash_alg: TBD_1) => int
     &(payload_preimage_content_type: TBD_2) => uint / tstr
     ? &(payload_location: TBD_3) => tstr
     * int / tstr => any