diff --git a/specs/deneb/p2p-interface.md b/specs/deneb/p2p-interface.md
index 040d594dd2..ea29eb7f4b 100644
--- a/specs/deneb/p2p-interface.md
+++ b/specs/deneb/p2p-interface.md
@@ -171,6 +171,14 @@ No more than `MAX_REQUEST_BLOCKS_DENEB` may be requested at a time.
 
 New in deneb.
 
+The `<context-bytes>` field is calculated as `context = compute_fork_digest(fork_version, genesis_validators_root)`:
+
+[1]: # (eth2spec: skip)
+
+| `fork_version`           | Chunk SSZ type                |
+|--------------------------|-------------------------------|
+| `DENEB_FORK_VERSION`     | `deneb.BlobSidecar`           |
+
 Request Content:
 
 ```
@@ -212,6 +220,14 @@ Clients MAY limit the number of blocks and sidecars in the response.
 
 New in deneb.
 
+The `<context-bytes>` field is calculated as `context = compute_fork_digest(fork_version, genesis_validators_root)`:
+
+[1]: # (eth2spec: skip)
+
+| `fork_version`           | Chunk SSZ type                |
+|--------------------------|-------------------------------|
+| `DENEB_FORK_VERSION`     | `deneb.BlobSidecar`           |
+
 Request Content:
 ```
 (