minor

README.md

@@ -45,7 +45,7 @@ This app [aggregates liquidity across the greater DEX ecosystem using 0x](https:
 * WETH to DAI in Match.xyz: https://www.matcha.xyz/markets/1/0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2/0x6b175474e89094c44da98b954eedeac495271d0f
 * 0x api Documentation  : https://0x.org/docs/0x-swap-api/api-references/get-swap-v1-quote
 * Browserify, lets you require('modules') in the browser by bundling up all of your dependencies: https://browserify.org/
-* install 'qs.js'
+* install 'qs'
 * Open Zeppelin Documentation Aprove Api for a token erc 20: https://docs.openzeppelin.com/contracts/4.x/api/token/erc20#IERC20-Approval-address-address-uint256-  
 * how to set your token allowances with 0x API: https://0x.org/docs/0x-swap-api/advanced-topics/how-to-set-your-token-allowances
 * Documentation from Web3.Js contract, transaction confirm doc: https://web3js.readthedocs.io/en/v1.10.0/web3-eth-contract.html#transactionconfirmationblocks