diff --git a/specs/altair/p2p-interface.md b/specs/altair/p2p-interface.md
index 738260cff..47a5826c5 100644
--- a/specs/altair/p2p-interface.md
+++ b/specs/altair/p2p-interface.md
@@ -117,7 +117,7 @@ The following validations MUST pass before forwarding the `sync_committee_signat
 - _[IGNORE]_ The signature's slot is for the current slot, i.e. `sync_committee_signature.slot == current_slot`.
 - _[IGNORE]_ The block being signed over (`sync_committee_signature.beacon_block_root`) has been seen (via both gossip and non-gossip sources).
 - _[IGNORE]_ There has been no other valid sync committee signature for the declared `slot` for the validator referenced by `sync_committee_signature.validator_index`.
-- _[REJECT]_ The `subnet_id` is correct, i.e. `subnet_id in compute_subnets_for_sync_committee(state, sync_committee_signature.validator_index)`. 
+- _[REJECT]_ The `subnet_id` is valid for the given validator, i.e. `subnet_id in compute_subnets_for_sync_committee(state, sync_committee_signature.validator_index)`. 
   Note this validation implies the validator is part of the broader current sync committee along with the correct subcommittee.
 - _[REJECT]_ The `signature` is valid for the message `beacon_block_root` for the validator referenced by `validator_index`.