diff --git a/configs/mainnet/altair.yaml b/configs/mainnet/altair.yaml
index 3cd4b8419..477a4e7f7 100644
--- a/configs/mainnet/altair.yaml
+++ b/configs/mainnet/altair.yaml
@@ -10,22 +10,22 @@ MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR: 64
 PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR: 2
 
 
-# Misc
+# Sync committee
 # ---------------------------------------------------------------
 # 2**10 (= 1,024)
 SYNC_COMMITTEE_SIZE: 1024
 # 2**6 (= 64)
 SYNC_PUBKEYS_PER_AGGREGATE: 64
-# 2**2 (= 4)
-INACTIVITY_SCORE_BIAS: 4
-
-
-# Time parameters
-# ---------------------------------------------------------------
 # 2**8 (= 256)
 EPOCHS_PER_SYNC_COMMITTEE_PERIOD: 256
 
 
+# Misc
+# ---------------------------------------------------------------
+# 2**2 (= 4)
+INACTIVITY_SCORE_BIAS: 4
+
+
 # Signature domains
 # ---------------------------------------------------------------
 DOMAIN_SYNC_COMMITTEE: 0x07000000
diff --git a/configs/minimal/altair.yaml b/configs/minimal/altair.yaml
index f9b30eea2..36e7c5021 100644
--- a/configs/minimal/altair.yaml
+++ b/configs/minimal/altair.yaml
@@ -10,22 +10,22 @@ MIN_SLASHING_PENALTY_QUOTIENT_ALTAIR: 64
 PROPORTIONAL_SLASHING_MULTIPLIER_ALTAIR: 2
 
 
-# Misc
+# Sync committee
 # ---------------------------------------------------------------
 # [customized]
 SYNC_COMMITTEE_SIZE: 32
 # [customized]
 SYNC_PUBKEYS_PER_AGGREGATE: 16
-# 2**2 (= 4)
-INACTIVITY_SCORE_BIAS: 4
-
-
-# Time parameters
-# ---------------------------------------------------------------
 # [customized]
 EPOCHS_PER_SYNC_COMMITTEE_PERIOD: 8
 
 
+# Misc
+# ---------------------------------------------------------------
+# 2**2 (= 4)
+INACTIVITY_SCORE_BIAS: 4
+
+
 # Signature domains
 # ---------------------------------------------------------------
 DOMAIN_SYNC_COMMITTEE: 0x07000000
@@ -50,6 +50,7 @@ MAX_VALID_LIGHT_CLIENT_UPDATES: 32
 # [customized]
 LIGHT_CLIENT_UPDATE_TIMEOUT: 32
 
+
 # Validator
 # ---------------------------------------------------------------
 # 2**2 (= 4)
diff --git a/specs/altair/beacon-chain.md b/specs/altair/beacon-chain.md
index 2272a3359..cbad9413d 100644
--- a/specs/altair/beacon-chain.md
+++ b/specs/altair/beacon-chain.md
@@ -120,7 +120,7 @@ This patch updates a few configuration values to move penalty parameters toward
 | - | - | - | - |
 | `SYNC_COMMITTEE_SIZE` | `uint64(2**10)` (= 1,024) | | |
 | `SYNC_PUBKEYS_PER_AGGREGATE` | `uint64(2**6)` (= 64) | | |
-| `EPOCHS_PER_SYNC_COMMITTEE_PERIOD` | `Epoch(2**8)` (= 256) | epochs | ~27 hours |
+| `EPOCHS_PER_SYNC_COMMITTEE_PERIOD` | `uint64(2**8)` (= 256) | epochs | ~27 hours |
 
 ### Misc