Update approveDigests map docs
@@ -51,7 +51,7 @@ library DepositUtils {
uint256 fundedAt; // timestamp when funding proof was received
bytes utxoOutpoint; // the 36-byte outpoint of the custodied UTXO
- /// @notice Map of timestamps for transaction's digest approved for signing
+ /// @notice Map of timestamps for transaction digests approved for signing
/// @dev Holds a timestamp from the moment when the transaction digest
/// was approved for signing
mapping (bytes32 => uint256) approvedDigests;
