chore: fix readme

README.builder.md

@@ -13,20 +13,23 @@ See also: https://github.com/bnb-chain/BEPs/pull/322
 Builder-related settings are configured in the `config.toml` file. The following is an example of a `config.toml` file:
 
 ```
-[Eth.Miner.Bidder]
-Enable = true
-Account = {{BUILDER_ADDRESS}}
-DelayLeftOver = {{DELAY_LEFT_OVER}}
-
-[[Eth.Miner.Bidder.Validators]]
+[Eth.Miner.Mev]
+Enabled = false
+ValidatorCommission = 100
+BidSimulationLeftOver = 50
+BuilderEnabled = true
+BuilderAccount = {{BUILDER_ADDRESS}}
+
+[[Eth.Miner.Mev.Validators]]
 Address = {{VALIDATOR_ADDRESS}}
 URL = {{VALIDATOR_URL}}
 ...
 ```
 
-- `Enable`: Whether to enable the builder.
-- `Account`: The account address to unlock of the builder.
-- `DelayLeftOver`: Submit bid no later than `DelayLeftOver` before the next block time.
+- `Enabled`: Whether to enable validator mev.
+- `BuilderEnabled`: Whether to enable the builder mev.
+- `BuilderAccount`: The account address to unlock of the builder.
+- `BidSimulationLeftOver`: The left over of the bid simulation.
 - `Validators`: A list of validators to bid for.
   - `Address`: The address of the validator.
   - `URL`: The URL of the validator.