diff --git a/onchain/script/DeployLocal.sol b/onchain/script/DeployLocal.sol
index 09d5080..c1333bd 100644
--- a/onchain/script/DeployLocal.sol
+++ b/onchain/script/DeployLocal.sol
@@ -29,6 +29,9 @@ contract DeployLocal is Script {
     // lock feeDestinationLocked. See issue #760.
     address internal constant feeDest = 0xf6a3eef9088A255c32b6aD2025f83E57291D9011;
     address internal constant weth = 0x4200000000000000000000000000000000000006;
+    // Base Sepolia Uniswap V3 Factory — intentional: bootstrap.sh forks Base Sepolia,
+    // so the factory must carry code at this address. Mainnet scripts and AttackRunner
+    // use 0x33128a8fC17869897dcE68Ed026d694621f6FDfD instead.
     address internal constant v3Factory = 0x4752ba5DBc23f44D87826276BF6Fd6b1C372aD24;
 
     // Deployed contracts