Update README.md

Author: Raimo33

README.md

@@ -22,7 +22,7 @@ Images size:
     - [Docker Compose installation guide](https://docs.docker.com/compose/install/standalone)
 
 2. Edit the `.env` file:
-```
+```bash
 # directories where persistent data will be stored
 KNOTS_DATA=/mnt/hdd/bitcoin/knots
 TOR_DATA=/var/lib/bitcoin/tor
@@ -62,4 +62,4 @@ more information about the available docker-compose commands can be found in the
 
 ## Accessing the node
 
-The node is now listening for RPC connections on port `8332` of the host machine. You can interact with it using the `bitcoin-cli` command, software wallets, mempool explorers, or any other Core/Knots RPC compatible client.
+The node is now listening for RPC connections on port `8332` of the host machine. You can interact with it using the `bitcoin-cli` command, software wallets, mempool explorers, or any other Core/Knots RPC compatible client.