diff --git a/configs/constant_presets/minimal.yaml b/configs/constant_presets/minimal.yaml
index c8c2853c7..201ac475f 100644
--- a/configs/constant_presets/minimal.yaml
+++ b/configs/constant_presets/minimal.yaml
@@ -64,8 +64,8 @@ SLOTS_PER_HISTORICAL_ROOT: 64
 MIN_VALIDATOR_WITHDRAWABILITY_DELAY: 256
 # 2**11 (= 2,048) epochs
 PERSISTENT_COMMITTEE_PERIOD: 2048
-# 2**6 (= 64) epochs
-MAX_EPOCHS_PER_CROSSLINK: 64
+# [customized] fast catchup crosslinks
+MAX_EPOCHS_PER_CROSSLINK: 4
 # 2**2 (= 4) epochs
 MIN_EPOCHS_TO_INACTIVITY_PENALTY: 4
 # [customized] 2**12 (= 4,096) epochs
diff --git a/specs/core/0_beacon-chain.md b/specs/core/0_beacon-chain.md
index e89f0baed..a28215fa1 100644
--- a/specs/core/0_beacon-chain.md
+++ b/specs/core/0_beacon-chain.md
@@ -200,7 +200,7 @@ These configurations are updated for releases, but may be out of sync during `de
 ### Gwei values
 
 | Name | Value |
-| - | - | :-: |
+| - | - |
 | `MIN_DEPOSIT_AMOUNT` | `Gwei(2**0 * 10**9)` (= 1,000,000,000) |
 | `MAX_EFFECTIVE_BALANCE` | `Gwei(2**5 * 10**9)` (= 32,000,000,000) |
 | `EJECTION_BALANCE` | `Gwei(2**4 * 10**9)` (= 16,000,000,000) |