diff --git a/specs/phase1/beacon-chain.md b/specs/phase1/beacon-chain.md
index a3f9ec4e9..59e0bb6da 100644
--- a/specs/phase1/beacon-chain.md
+++ b/specs/phase1/beacon-chain.md
@@ -142,11 +142,6 @@ Configuration is not namespaced. Instead it is strictly an extension;
 | `ONLINE_PERIOD` | `OnlineEpochs(2**3)` (= 8) | online epochs | ~51 mins |
 | `LIGHT_CLIENT_COMMITTEE_PERIOD` | `Epoch(2**8)` (= 256) | epochs | ~27 hours |
 
-### Max operations per block
-| Name | Value |
-| - | - |
-| `MAX_CUSTODY_CHUNK_CHALLENGE_RECORDS` | `2**20` (= 1,048,576) |
-
 ### Domain types
 
 | Name | Value |
diff --git a/specs/phase1/custody-game.md b/specs/phase1/custody-game.md
index 94d739ba9..3d4645068 100644
--- a/specs/phase1/custody-game.md
+++ b/specs/phase1/custody-game.md
@@ -79,6 +79,7 @@ This document details the beacon chain additions and changes in Phase 1 of Ether
 
 | Name | Value |
 | - | - |
+| `MAX_CUSTODY_CHUNK_CHALLENGE_RECORDS` | `2**20` (= 1,048,576) |
 | `MAX_CUSTODY_KEY_REVEALS` | `2**8` (= 256) |
 | `MAX_EARLY_DERIVED_SECRET_REVEALS` | `2**0` (= 1) |
 | `MAX_CUSTODY_CHUNK_CHALLENGES` | `2**2` (= 4) |