Fix liniting

zq2/docs/nodes.md

@@ -72,11 +72,11 @@ and run.
    you can update Rust to the latest stable version.
 2. Install the following requirements:
 
-      ```bash
-      sudo add-apt-repository ppa:ethereum/ethereum && sudo apt update && \
-      sudo apt install -y solc build-essential pkg-config libssl-dev cmake \
-      protobuf-compiler
-      ```
+   ```bash
+   sudo add-apt-repository ppa:ethereum/ethereum && sudo apt update && \
+   sudo apt install -y solc build-essential pkg-config libssl-dev cmake \
+   protobuf-compiler
+   ```
 
 3. Pick a directory. You'll need quite a lot of space. Let's call it `/my/dir`.
 4. Clone `[email protected]:zilliqa/zq2` into that directory to get `/my/dir/zq2`.
@@ -86,23 +86,23 @@ and run.
 7. Generate the startup script and the configuration file for your node by
    running
 
-      ```bash
-      z2 join --chain prototestnet
-      ```
+   ```bash
+   z2 join --chain prototestnet
+   ```
 
 8. Generate the node private key (save it because you need to use it in case
    you need to restart your node)
 
-      ```bash
-      export PRIVATE_KEY=$(openssl rand -hex 32)
-      ```
+   ```bash
+   export PRIVATE_KEY=$(openssl rand -hex 32)
+   ```
 
 9. Start the validator
 
-      ```bash
-      chmod +x start_validator.sh && \
-      ./start_validator.sh $PRIVATE_KEY
-      ```
+   ```bash
+   chmod +x start_validator.sh && \
+   ./start_validator.sh $PRIVATE_KEY
+   ```
 
 For additional details on `z2` and the `join` capability refer to: