diff --git a/specs/phase0/p2p-interface.md b/specs/phase0/p2p-interface.md
index 053009513..852315e94 100644
--- a/specs/phase0/p2p-interface.md
+++ b/specs/phase0/p2p-interface.md
@@ -480,7 +480,7 @@ The response MUST consist of a single `response_chunk`.
 
 #### BeaconBlocksByRange
 
-**Protocol ID:** `/eth2/beacon_chain/req/beacon_blocks_by_range/2/`
+**Protocol ID:** `/eth2/beacon_chain/req/beacon_blocks_by_range/1/`
 
 Request Content:
 ```