diff --git a/specs/deneb/p2p-interface.md b/specs/deneb/p2p-interface.md
index 04fc9ecc7..363871ed8 100644
--- a/specs/deneb/p2p-interface.md
+++ b/specs/deneb/p2p-interface.md
@@ -305,7 +305,7 @@ Clients MAY limit the number of blocks and sidecars in the response.
 
 Clients SHOULD include a sidecar in the response as soon as it passes the gossip validation rules.
 Clients MUST NOT respond with sidecars that fails gossip validation rules.
-Clients MUST NOT respond with sidecars related to blocks that fail gossip validation rules.
+Clients SHOULD NOT respond with sidecars related to blocks that fail gossip validation rules.
 Clients SHOULD NOT include sidecars related to blocks that fail `state_transition(block)`.
 
 ##### BlobSidecarsByRange v1