diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index 619bd3c01..b5e36bcf0 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -1167,7 +1167,7 @@ def get_genesis_beacon_state(deposits: Sequence[Deposit], genesis_time: int, eth
             validator.activation_eligibility_epoch = GENESIS_EPOCH
             validator.activation_epoch = GENESIS_EPOCH
 
-    # Populate active_index_roots
+    # Populate compact_committees_roots
     genesis_committee_root = get_compact_committees_root(state, GENESIS_EPOCH)
     for index in range(EPOCHS_PER_HISTORICAL_VECTOR):
         state.compact_committees_roots[index] = genesis_committee_root