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2 changes: 1 addition & 1 deletion developers/optimistic-oracle-v3/in-depth-tutorial-insurance.md
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Expand Up @@ -39,7 +39,7 @@ The contract discussed in this tutorial can be found at `dev-quickstart-oov3/src
To initialize the state variables of the contract, the constructor takes two parameters:

1. `_defaultCurrency` identifies the token used for settlement of insurance claims, as well as the bond currency for assertions and disputes. This token should be approved as whitelisted UMA collateral. Please check [Approved Collateral Types](../../resources/approved-collateral-types.md) for production networks or call `getWhitelist()` on the [Address Whitelist](https://github.com/UMAprotocol/protocol/blob/master/packages/core/contracts/common/implementation/AddressWhitelist.sol) contract for any of the test networks. Note that the deployed Optimistic Oracle V3 instance already has its `defaultCurrency` added to the whitelist, so it can also be used by the Insurance contract. Alternatively, you can approve a new token address with `addToWhitelist` method in the Address Whitelist contract if working in a sandboxed UMA environment.
2. `_optimisticOracleV3` is used to locate the address of UMA Optimistic Oracle V3. Address of `OptimisticOracleV3` contact can be fetched from the relevant [networks](https://github.com/UMAprotocol/protocol/tree/master/packages/core/networks) file, if you are on a live network, or you can provide your own contract instance if deploying UMA Oracle contracts in your own sandboxed testing environment.
2. `_optimisticOracleV3` is used to locate the address of UMA Optimistic Oracle V3. Address of `OptimisticOracleV3` contract can be fetched from the relevant [networks](https://github.com/UMAprotocol/protocol/tree/master/packages/core/networks) file, if you are on a live network, or you can provide your own contract instance if deploying UMA Oracle contracts in your own sandboxed testing environment.

```solidity
constructor(address _defaultCurrency, address _optimisticOracleV3) {
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