Update create-val.md (#674)

Author: zzzckck

docs/bnb-smart-chain/validator/create-val.md

@@ -115,7 +115,7 @@ A sample bls address is `b5fe571aa1b39e33c2735a184885f737a59ba689177f297cba67da9
 Then you can get your bls proof by running the following command.
 
 ```shell
-geth bls account generate-proof --chain-id ${BSC_CHAIN_ID} ${OPEATOR_ADDRESS} ${VOTE_ADDRESS}
+geth bls account generate-proof --datadir ${DATA_DIR} --chain-id ${BSC_CHAIN_ID} ${OPEATOR_ADDRESS} ${VOTE_ADDRESS}
 ```
 
 - `BSC_CHAIN_ID`: `56` for BSC mainnet, and `97` for BSC testnet.
@@ -147,4 +147,4 @@ Identity is used to associate the new validator with the old validator created o
 
 Once you have filled out all the required information, click the `Submit` button to submit the transaction.
 
-Note: Upon completing these steps, your node is not guaranteed to become an active validator. Selection is based on a ranking that reflects the total BNB staked, with only the top N nodes being chosen as active validators. The number N is determined by the "maxElectedValidators" parameter within the StakeHubContract (0x0000000000000000000000000000000000002002). As of November 4th, 2024, this number stands at 8 for the testnet and 45 for the mainnet.
+Note: Upon completing these steps, your node is not guaranteed to become an active validator. Selection is based on a ranking that reflects the total BNB staked, with only the top N nodes being chosen as active validators. The number N is determined by the "maxElectedValidators" parameter within the StakeHubContract (0x0000000000000000000000000000000000002002). As of November 4th, 2024, this number stands at 8 for the testnet and 45 for the mainnet.