Fix typo, add backticks to contract names
@@ -7,10 +7,9 @@ import "./VendingMachineAuthority.sol";
/// @notice The Fee Rebate Token (FRT) is a non fungible token (ERC721)
/// the ID of which corresponds to a given deposit address.
/// If the corresponding deposit is still active, ownership of this token
-/// could result in reimbursement of the singer fee paid to open the deposit.
-/// @dev This token is minted automatically when a TDT (TBTCDepositToken)
-/// is exchanged for TBTC (TBTCToken) via the
-/// Vending Machine (VendingMachine).
+/// could result in reimbursement of the signer fee paid to open the deposit.
+/// @dev This token is minted automatically when a TDT (`TBTCDepositToken`)
+/// is exchanged for TBTC (`TBTCToken`) via the Vending Machine (`VendingMachine`).
/// When the Deposit is redeemed, the TDT holder will be reimbursed
/// the signer fee if the redeemer is not the TDT holder and Deposit is not
/// at-term or in COURTESY_CALL.
