diff --git a/README.md b/README.md
index 845a920..82fd54a 100644
--- a/README.md
+++ b/README.md
@@ -228,9 +228,9 @@ Hardhat is an Ethereum development environment and framework designed for full s
           // Burn the sent LP tokens from the user's wallet because they are already sent to
           // remove liquidity
           _burn(msg.sender, _amount);
-          // Transfer `ethAmount` of Eth from user's wallet to the contract
+          // Transfer `ethAmount` of Eth from the contract to the user's wallet
           payable(msg.sender).transfer(ethAmount);
-          // Transfer `cryptoDevTokenAmount` of Crypto Dev tokens from the user's wallet to the contract
+          // Transfer `cryptoDevTokenAmount` of Crypto Dev tokens from the contract to the user's wallet
           ERC20(cryptoDevTokenAddress).transfer(msg.sender, cryptoDevTokenAmount);
           return (ethAmount, cryptoDevTokenAmount);
       }
@@ -1229,7 +1229,6 @@ export default function Home() {
       setCDBalance(_cdBalance);
       setLPBalance(_lpBalance);
       setReservedCD(_reservedCD);
-      setReservedCD(_reservedCD);
       setEtherBalanceContract(_ethBalanceContract);
     } catch (err) {
       console.error(err);
diff --git a/hardhat-tutorial/contracts/Exchange.sol b/hardhat-tutorial/contracts/Exchange.sol
index a0515da..1e1782f 100644
--- a/hardhat-tutorial/contracts/Exchange.sol
+++ b/hardhat-tutorial/contracts/Exchange.sol
@@ -99,7 +99,7 @@ contract Exchange is ERC20 {
         _burn(msg.sender, _amount);
         // Transfer `ethAmount` of Eth from the contract to the user
         payable(msg.sender).transfer(ethAmount);
-        // Transfer `cryptoDevTokenAmount` of `Crypto Dev` tokens from the user's wallet to the contract 
+        // Transfer `cryptoDevTokenAmount` of `Crypto Dev` tokens from the contract to the user's wallet
         ERC20(cryptoDevTokenAddress).transfer(msg.sender, cryptoDevTokenAmount);
         return (ethAmount, cryptoDevTokenAmount);
     }
diff --git a/hardhat-tutorial/scripts/deploy.js b/hardhat-tutorial/scripts/deploy.js
index cac363b..edaceed 100644
--- a/hardhat-tutorial/scripts/deploy.js
+++ b/hardhat-tutorial/scripts/deploy.js
@@ -1,5 +1,5 @@
 const { ethers } = require("hardhat");
-require("dotenv").config({ path: ".env" });
+
 const { CRYPTO_DEV_TOKEN_CONTRACT_ADDRESS } = require("../constants");
 
 async function main() {
diff --git a/my-app/pages/index.js b/my-app/pages/index.js
index 05b3736..023075f 100644
--- a/my-app/pages/index.js
+++ b/my-app/pages/index.js
@@ -91,7 +91,6 @@ export default function Home() {
       setCDBalance(_cdBalance);
       setLPBalance(_lpBalance);
       setReservedCD(_reservedCD);
-      setReservedCD(_reservedCD);
       setEtherBalanceContract(_ethBalanceContract);
     } catch (err) {
       console.error(err);