Update README.md

polygon/erc721a-implementation/README.md

@@ -4,14 +4,16 @@ This project is based on the guide, [How To Batch Mint NFTs Using the ERC-721A I
 
 ### Clone Example Monorepo
 
-To begin, clone the qn-guide-examples repo and navigate to this project's directory.
+To begin, clone the `qn-guide-examples` repo and navigate to this project's directory.
 
+```bash
 git clone https://github.com/quiknode-labs/qn-guide-examples.git
 cd qn-guide-examples/polygon/erc721a-implementation
+```
 
 ### Add Environment Variables
 
-Create an **.env** file and add your environment variables in the following format:
+Create a `.env` file and add your environment variables in the following format:
 
 ```
 PRIVATE_KEY=
@@ -22,33 +24,33 @@ RPC_URL=
 
 Npm should be used to install project directories:
 
-```
+```bash
 npm i
 ```
 
 ### Compile Contracts
 
 To compile the set of smart contracts, run the following command:
 
-```
+```bash
 npx hardhat compile
 ```
 
 ### Deploy Contract
 
 To deploy the BatchNFTs contract to Mumbai testnet, run the following command:
 
-```
+```bash
 npx hardhat run --network mumbai scripts/deploy.js
 ```
 
-> As configured in **hardhat.config.js** and **deploy.js**
+> As configured in `hardhat.config.js` and `deploy.js`.
 
 
 ### Minting NFTs
 
 To mint NFTs, run the following command:
 
-```
+```bash
 npx hardhat run --network mumbai scripts/mint.js
-```
+```