docs: updated comments errors

src/L1/gateways/L1ERC1155Gateway.sol

@@ -168,7 +168,7 @@ contract L1ERC1155Gateway is ERC1155HolderUpgradeable, ScrollGatewayBase, IL1ERC
      * Restricted Functions *
      ************************/
 
-    /// @notice Update layer 2 to layer 2 token mapping.
+    /// @notice Update layer 1 to layer 2 token mapping.
     /// @param _l1Token The address of ERC1155 token on layer 1.
     /// @param _l2Token The address of corresponding ERC1155 token on layer 2.
     function updateTokenMapping(address _l1Token, address _l2Token) external onlyOwner {

src/L1/gateways/L1ERC721Gateway.sol

@@ -167,7 +167,7 @@ contract L1ERC721Gateway is ERC721HolderUpgradeable, ScrollGatewayBase, IL1ERC72
      * Restricted Functions *
      ************************/
 
-    /// @notice Update layer 2 to layer 2 token mapping.
+    /// @notice Update layer 1 to layer 2 token mapping.
     /// @param _l1Token The address of ERC721 token on layer 1.
     /// @param _l2Token The address of corresponding ERC721 token on layer 2.
     function updateTokenMapping(address _l1Token, address _l2Token) external onlyOwner {

src/L1/gateways/L1GatewayRouter.sol

@@ -25,7 +25,7 @@ contract L1GatewayRouter is OwnableUpgradeable, IL1GatewayRouter {
     /// @notice The address of L1ETHGateway.
     address public ethGateway;
 
-    /// @notice The addess of default ERC20 gateway, normally the L1StandardERC20Gateway contract.
+    /// @notice The address of default ERC20 gateway, normally the L1StandardERC20Gateway contract.
     address public defaultERC20Gateway;
 
     /// @notice Mapping from ERC20 token address to corresponding L1ERC20Gateway.

src/L1/gateways/L1StandardERC20Gateway.sol

@@ -97,7 +97,7 @@ contract L1StandardERC20Gateway is L1ERC20Gateway {
 
     /// @inheritdoc IL1ERC20Gateway
     function getL2ERC20Address(address _l1Token) public view override returns (address) {
-        // In StandardERC20Gateway, all corresponding l2 tokens are depoyed by Create2 with salt,
+        // In StandardERC20Gateway, all corresponding l2 tokens are deployed by Create2 with salt,
         // we can calculate the l2 address directly.
         bytes32 _salt = keccak256(abi.encodePacked(counterpart, keccak256(abi.encodePacked(_l1Token))));
 

src/L1/gateways/L1WETHGateway.sol

@@ -61,7 +61,7 @@ contract L1WETHGateway is L1ERC20Gateway {
     ///
     /// @dev The parameters `_counterpart`, `_router` and `_messenger` are no longer used.
     ///
-    /// @param _counterpart The address of L2ETHGateway in L2.
+    /// @param _counterpart The address of L2WETHGateway in L2.
     /// @param _router The address of L1GatewayRouter in L1.
     /// @param _messenger The address of L1ScrollMessenger in L1.
     function initialize(

src/L2/L2ScrollMessenger.sol

@@ -18,7 +18,7 @@ import {ScrollMessengerBase} from "../libraries/ScrollMessengerBase.sol";
 /// @notice The `L2ScrollMessenger` contract can:
 ///
 /// 1. send messages from layer 2 to layer 1;
-/// 2. relay messages from layer 1 layer 2;
+/// 2. relay messages from layer 1 to layer 2;
 /// 3. drop expired message due to sequencer problems.
 ///
 /// @dev It should be a predeployed contract on layer 2 and should hold infinite amount

src/L2/gateways/L2GatewayRouter.sol

@@ -21,7 +21,7 @@ contract L2GatewayRouter is OwnableUpgradeable, IL2GatewayRouter {
     /// @notice The address of L2ETHGateway.
     address public ethGateway;
 
-    /// @notice The addess of default L2 ERC20 gateway, normally the L2StandardERC20Gateway contract.
+    /// @notice The address of default L2 ERC20 gateway, normally the L2StandardERC20Gateway contract.
     address public defaultERC20Gateway;
 
     /// @notice Mapping from L2 ERC20 token address to corresponding L2ERC20Gateway.

src/L2/gateways/L2ReverseCustomERC20Gateway.sol

@@ -14,7 +14,7 @@ import {L2CustomERC20Gateway} from "./L2CustomERC20Gateway.sol";
 /// @title L2ReverseCustomERC20Gateway
 /// @notice The `L2ReverseCustomERC20Gateway` is used to withdraw native ERC20 tokens on layer 2 and
 /// finalize deposit the tokens from layer 1.
-/// @dev The withdrawn ERC20 tokens are holed in this contract. On finalizing deposit, the corresponding
+/// @dev The withdrawn ERC20 tokens are held in this contract. On finalizing deposit, the corresponding
 /// token will be transferred to the recipient.
 contract L2ReverseCustomERC20Gateway is L2CustomERC20Gateway {
     using SafeERC20Upgradeable for IERC20Upgradeable;

src/libraries/gateway/CCTPGatewayBase.sol

@@ -23,10 +23,10 @@ abstract contract CCTPGatewayBase is ScrollGatewayBase {
      * Constants *
      *************/
 
-    /// @notice The address of L1 USDC address.
+    /// @notice The address of L1 USDC.
     address public immutable l1USDC;
 
-    /// @notice The address of L2 USDC address.
+    /// @notice The address of L2 USDC.
     address public immutable l2USDC;
 
     /// @notice The destination domain for layer2.