diff --git a/configs/mainnet.yaml b/configs/mainnet.yaml
index 5b2046654..be07de5d5 100644
--- a/configs/mainnet.yaml
+++ b/configs/mainnet.yaml
@@ -84,8 +84,8 @@ CHURN_LIMIT_QUOTIENT: 65536
 
 # Fork choice
 # ---------------------------------------------------------------
-# 70%
-PROPOSER_SCORE_BOOST: 70
+# 33%
+PROPOSER_SCORE_BOOST: 33
 
 # Deposit contract
 # ---------------------------------------------------------------
diff --git a/configs/minimal.yaml b/configs/minimal.yaml
index 0910a1430..e84d2bdf5 100644
--- a/configs/minimal.yaml
+++ b/configs/minimal.yaml
@@ -81,8 +81,8 @@ CHURN_LIMIT_QUOTIENT: 32
 
 # Fork choice
 # ---------------------------------------------------------------
-# 70%
-PROPOSER_SCORE_BOOST: 70
+# 33%
+PROPOSER_SCORE_BOOST: 33
 
 
 # Deposit contract
diff --git a/specs/phase0/fork-choice.md b/specs/phase0/fork-choice.md
index 9b302b5fd..2c33768e5 100644
--- a/specs/phase0/fork-choice.md
+++ b/specs/phase0/fork-choice.md
@@ -62,21 +62,21 @@ Any of the above handlers that trigger an unhandled exception (e.g. a failed ass
 
 ### Constant
 
-| Name | Value |
-| - | - |
+| Name                 | Value       |
+| -------------------- | ----------- |
 | `INTERVALS_PER_SLOT` | `uint64(3)` |
 
 ### Preset
 
-| Name | Value | Unit | Duration |
-| - | - | :-: | :-: |
+| Name                             | Value        | Unit  |  Duration  |
+| -------------------------------- | ------------ | :---: | :--------: |
 | `SAFE_SLOTS_TO_UPDATE_JUSTIFIED` | `2**3` (= 8) | slots | 96 seconds |
 
 ### Configuration
 
-| Name | Value |
-| - | - |
-| `PROPOSER_SCORE_BOOST` | `uint64(70)` |
+| Name                   | Value        |
+| ---------------------- | ------------ |
+| `PROPOSER_SCORE_BOOST` | `uint64(33)` |
 
 - The proposer score boost is worth `PROPOSER_SCORE_BOOST` percentage of the committee's weight, i.e., for slot with committee weight `committee_weight` the boost weight is equal to `(committee_weight * PROPOSER_SCORE_BOOST) // 100`.