@smartcontracts suggestion

Co-authored-by: smartcontracts <kelvin@optimism.io>

docs/op-stack/src/docs/build/tutorials/predeploys.md

@@ -11,7 +11,7 @@ OP Stack Hacks are not for the faint of heart. You will not be able to receive s
 
 
 OP Stack blockchains have a number of [predeployed contracts](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts-bedrock/src/constants.ts) that provide important functionality. 
-Most of those contracts are proxies that can be upgraded using the ADMIN account which deployed them originally.
+Most of those contracts are proxies that can be upgraded using the `proxyAdminOwner` which was configured when the network was initially deployed.
 
 The predeploys are controlled from a predeploy called [`ProxyAdmin`](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts-bedrock/contracts/universal/ProxyAdmin.sol), whose address is `0x4200000000000000000000000000000000000018`. 
 The function to call is [`upgrade(address,address)`](https://github.com/ethereum-optimism/optimism/blob/develop/packages/contracts-bedrock/contracts/universal/ProxyAdmin.sol#L211-L229).