diff --git a/draft-irtf-cfrg-vdaf.md b/draft-irtf-cfrg-vdaf.md
index 4d5e9a5e..cccf51b8 100644
--- a/draft-irtf-cfrg-vdaf.md
+++ b/draft-irtf-cfrg-vdaf.md
@@ -2785,6 +2785,7 @@ state across evaluations. See {{idpf-poplar}} for details.
 | KEY_SIZE   | Size in bytes of each IDPF key |
 | FieldInner | Implementation of `Field` ({{field}}) used for values of inner nodes |
 | FieldLeaf  | Implementation of `Field` used for values of leaf nodes |
+| Idpf       | Implementation of `Idpf` ({{idpf}}) |
 | Prg        | Implementation of `Prg` ({{prg}}) |
 {: #idpf-param title="Constants and types defined by a concrete IDPF."}
 
@@ -2800,8 +2801,6 @@ the remaining subsections. These methods make use of constants defined in
 
 | Parameter         | Value             |
 |:------------------|:------------------|
-| Idpf              | Implementation of `Idpf` ({{idpf}}) |
-| Prg               | Implementation of `Prg` ({{prg}}) |
 | `VERIFY_KEY_SIZE` | `Prg.SEED_SIZE` |
 | `NONCE_SIZE`      | `16` |
 | `ROUNDS`          | `2` |