Update contracts/utils/NoncesKeyed.sol

contracts/utils/NoncesKeyed.sol

@@ -8,9 +8,9 @@ import {Nonces} from "./Nonces.sol";
  *
  * Follows the https://eips.ethereum.org/EIPS/eip-4337#semi-abstracted-nonce-support[ERC-4337's semi-abstracted nonce system].
  *
- * Note: This contract extends {Nonces}, and reuses {Nonces}'s storage for key #0. This makes upgrading from {Nonces}
- * to {NoncesKeyed} safe, as such an upgrade will NOT reset the current state of nonces. Doing otherwise would enable
- * replay attacks where operation that used nonces before the upgrade would be replayable after the upgrade.
+ * NOTE: This contract inherits from {Nonces} and reuses its storage for the first nonce key (i.e. `0`). This
+ * makes upgrading from {Nonces} to {NoncesKeyed} safe. Doing so will NOT reset the current state of nonces to
+ * avoid replay attacks where a nonce is reused after the upgrade.
  */
 abstract contract NoncesKeyed is Nonces {
     mapping(address owner => mapping(uint192 key => uint64)) private _nonces;