diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index 7dd6a71bf..e10d0c011 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -49,9 +49,9 @@
             - [`BeaconState`](#beaconstate)
     - [Helper functions](#helper-functions)
         - [Math](#math)
+            - [`int_to_bytes`](#int_to_bytes)
             - [`integer_squareroot`](#integer_squareroot)
             - [`xor`](#xor)
-            - [`int_to_bytes`](#int_to_bytes)
             - [`bytes_to_int`](#bytes_to_int)
         - [Crypto](#crypto)
             - [`hash`](#hash)
@@ -65,7 +65,7 @@
             - [`is_slashable_validator`](#is_slashable_validator)
             - [`is_slashable_attestation_data`](#is_slashable_attestation_data)
             - [`is_valid_merkle_branch`](#is_valid_merkle_branch)
-        - [Misc](#misc)
+        - [Misc](#misc-1)
             - [`shuffle_index`](#shuffle_index)
             - [`compute_committee`](#compute_committee)
             - [`validate_indexed_attestation`](#validate_indexed_attestation)
@@ -90,6 +90,7 @@
             - [`get_attestation_data_slot`](#get_attestation_data_slot)
             - [`get_compact_committees_root`](#get_compact_committees_root)
             - [`get_total_balance`](#get_total_balance)
+            - [`get_total_active_balance`](#get_total_active_balance)
             - [`get_domain`](#get_domain)
             - [`get_indexed_attestation`](#get_indexed_attestation)
             - [`get_attesting_indices`](#get_attesting_indices)
diff --git a/specs/core/0_fork-choice.md b/specs/core/0_fork-choice.md
index 89eecff02..d28087a1a 100644
--- a/specs/core/0_fork-choice.md
+++ b/specs/core/0_fork-choice.md
@@ -12,7 +12,7 @@
         - [Time parameters](#time-parameters)
     - [Fork choice](#fork-choice)
         - [Helpers](#helpers)
-            - [`Checkpoint`](#checkpoint)
+            - [`LatestMessage`](#latestmessage)
             - [`Store`](#store)
             - [`get_genesis_store`](#get_genesis_store)
             - [`get_ancestor`](#get_ancestor)
diff --git a/specs/core/1_custody-game.md b/specs/core/1_custody-game.md
index babe4f991..5c05ae2fc 100644
--- a/specs/core/1_custody-game.md
+++ b/specs/core/1_custody-game.md
@@ -16,6 +16,7 @@
         - [Max operations per block](#max-operations-per-block)
         - [Reward and penalty quotients](#reward-and-penalty-quotients)
         - [Signature domains](#signature-domains)
+        - [TODO PLACEHOLDER](#todo-placeholder)
     - [Data structures](#data-structures)
         - [Custody objects](#custody-objects)
             - [`CustodyChunkChallenge`](#custodychunkchallenge)
@@ -33,6 +34,7 @@
     - [Helpers](#helpers)
         - [`ceillog2`](#ceillog2)
         - [`get_crosslink_chunk_count`](#get_crosslink_chunk_count)
+        - [`get_bit`](#get_bit)
         - [`get_custody_chunk_bit`](#get_custody_chunk_bit)
         - [`get_chunk_bits_root`](#get_chunk_bits_root)
         - [`get_randao_epoch_for_custody_period`](#get_randao_epoch_for_custody_period)
diff --git a/specs/core/1_shard-data-chains.md b/specs/core/1_shard-data-chains.md
index 745d437c2..093e381cc 100644
--- a/specs/core/1_shard-data-chains.md
+++ b/specs/core/1_shard-data-chains.md
@@ -14,6 +14,7 @@
         - [Initial values](#initial-values)
         - [Time parameters](#time-parameters)
         - [Signature domains](#signature-domains)
+        - [TODO PLACEHOLDER](#todo-placeholder)
     - [Data structures](#data-structures)
         - [`ShardBlockBody`](#shardblockbody)
         - [`ShardAttestation`](#shardattestation)