diff --git a/specs/bellatrix/p2p-interface.md b/specs/bellatrix/p2p-interface.md
index 1d790bce7..4f3a70990 100644
--- a/specs/bellatrix/p2p-interface.md
+++ b/specs/bellatrix/p2p-interface.md
@@ -117,8 +117,10 @@ details on how to handle transitioning gossip topics for Bellatrix.
 Non-faulty, [optimistic](/sync/optimistic.md) nodes may send blocks which
 result in an INVALID response from an execution engine. To prevent network
 segregation between optimistic and non-optimistic nodes, transmission of an
-INVALID payload via the Req/Resp domain SHOULD NOT cause a node to be
-down-scored or disconnected.
+INVALID execution payload via the Req/Resp domain SHOULD NOT cause a node to be
+down-scored or disconnected. Transmission of a block which is invalid due to
+any consensus layer rules (i.e., *not* execution layer rules) MAY result in
+down-scoring or disconnection.
 
 ### Messages