diff --git a/specs/capella/beacon-chain.md b/specs/capella/beacon-chain.md
index bd7a2c50c0..5d0df0edde 100644
--- a/specs/capella/beacon-chain.md
+++ b/specs/capella/beacon-chain.md
@@ -53,6 +53,10 @@ to validator withdrawals. Including:
 * Operation to change from `BLS_WITHDRAWAL_PREFIX` to
   `ETH1_ADDRESS_WITHDRAWAL_PREFIX` versioned withdrawal credentials to enable withdrawals for a validator.
 
+Another new feature is the new state/block historical accumulators. It becomes possible to validate
+the entire block history that led up to that particular state without executing the transitions
+and checking them one by one in backward order using a parent chain.
+
 ## Custom types
 
 We define the following Python custom types for type hinting and readability: