Improve WETH comments at bridge contract

contracts/v2/PolygonZkEVMBridgeV2.sol

@@ -89,6 +89,7 @@ contract PolygonZkEVMBridgeV2 is
     bytes public gasTokenMetadata;
 
     // WETH address
+    // @note If WETH address is zero, means the gasToken of the network is ether, else means the network has a custom erc20 gas token. This value is set at initialization of the contract. In case gasTokenAddress != zero, a erc20 contract is deployed and the created address is set as WETH address, to handle wrapped ether
     TokenWrapped public WETHToken;
 
     /**
@@ -442,7 +443,7 @@ contract PolygonZkEVMBridgeV2 is
      * @param mainnetExitRoot Mainnet exit root
      * @param rollupExitRoot Rollup exit root
      * @param originNetwork Origin network
-     * @param originTokenAddress  Origin token address, 0 address is reserved for ether
+     * @param originTokenAddress  Origin token address, 0 address is reserved for gas token address. If WETH address is zero, means this gas token is ether, else means is a custom erc20 gas token
      * @param destinationNetwork Network destination
      * @param destinationAddress Address destination
      * @param amount Amount of tokens

docker/scripts/v2/deploy-dockerv2.sh

@@ -1,18 +1,18 @@
 #!/bin/bash
 set -e
-sudo rm -rf docker/gethData/geth_data
-sudo DEV_PERIOD=1 docker compose -f docker/docker-compose.yml up -d geth
+rm -rf docker/gethData/geth_data
+DEV_PERIOD=1 docker compose -f docker/docker-compose.yml up -d geth
 sleep 5
 node docker/scripts/fund-accounts.js
 cp docker/scripts/v2/deploy_parameters_docker.json deployment/v2/deploy_parameters.json
 cp docker/scripts/v2/create_rollup_parameters_docker.json deployment/v2/create_rollup_parameters.json
 npm run deploy:testnet:v2:localhost
 rm -rf docker/deploymentOutput
 mkdir docker/deploymentOutput
-sudo mv deployment/v2/deploy_output.json docker/deploymentOutput
-sudo mv deployment/v2/genesis.json docker/deploymentOutput
-sudo mv deployment/v2/create_rollup_output.json docker/deploymentOutput
-sudo DEV_PERIOD=1 docker compose -f docker/docker-compose.yml down
-sudo docker build -t hermeznetwork/geth-zkevm-contracts -f docker/Dockerfile .
+mv deployment/v2/deploy_output.json docker/deploymentOutput
+mv deployment/v2/genesis.json docker/deploymentOutput
+mv deployment/v2/create_rollup_output.json docker/deploymentOutput
+DEV_PERIOD=1 docker compose -f docker/docker-compose.yml down
+docker build -t hermeznetwork/geth-zkevm-contracts -f docker/Dockerfile .
 # Let it readable for the multiplatform build coming later!
-sudo chmod -R go+rxw docker/gethData
+chmod -R go+rxw docker/gethData