update builder codes (#734)

Author: youssefea

docs/base-chain/quickstart/builder-codes.mdx

@@ -216,7 +216,7 @@ Wallet providers need to support the `dataSuffix` capability to enable attributi
 Onchain Builder codes are currently still not live on mainnet.
 </Warning>
 
-Builder codes work with the [Base-Solana bridge](/base-chain/quickstart/base-solana-bridge) via the `hookData` mechanism. Currently available for **Solana → Base** flows only.
+Builder codes work with the [Base-Solana bridge](/base-chain/quickstart/base-solana-bridge) via the [`hookData`](https://github.com/base/flywheel/blob/30266bba4649b0eb161e55bfa4755651049a5d1f/src/hooks/BridgeReferralFees.sol#L75) mechanism. Currently available for **Solana → Base** flows only.
 
 <Steps>
   <Step title="Get your Builder Code">
@@ -229,7 +229,7 @@ Builder codes work with the [Base-Solana bridge](/base-chain/quickstart/base-sol
     ```solidity
     bytes memory hookData = abi.encode(
       0xUSER,           // destination address on Base (NOT the Twin)
-      0xBUILDER_CODE,   // your bytes32 code
+      0xBUILDER_CODE,   // your builder code in type string memory
       100               // feeBps (100 = 1%)
     );
     ```
@@ -270,7 +270,7 @@ Builder codes work with the [Base-Solana bridge](/base-chain/quickstart/base-sol
           data:  abi.encodeWithSelector(
                    Flywheel.send.selector,
                    <BRIDGE_CAMPAIGN_ADDRESS>,
-                   <wSOL_ADDRESS>, // 0x311935Cd80B76769bF2ecC9D8Ab7635b2139cf82 on Base Mainnet
+                   <SOL_ADDRESS>, // 0x311935Cd80B76769bF2ecC9D8Ab7635b2139cf82 on Base Mainnet
                    hookData
                  )
         });
@@ -301,7 +301,7 @@ Builder codes work with the [Base-Solana bridge](/base-chain/quickstart/base-sol
 ## Give feedback!
 
 <Note>
-We're constantly working to improve the Builder Codes experience. If you have any feedback, please let us know  [here](https://t.co/zwvtmXXzGz).
+Base is constantly working to improve the Builder Codes experience. If you have any feedback, please let the team know  [here](https://t.co/zwvtmXXzGz).
 </Note>