fix deploy kusama validator node formatting

Author: Mostafa Farghaly

polkadot/validator.md

@@ -145,8 +145,6 @@ Validator nodes can't enable external HTTP or WS JSON-RPC servers.
 
 Session key can be generated by calling `author_rotateKeys` JSON-RPC method.
 
----------------------------------
-
 Forward localhost:9933 calls to the node pod because `rpcPort: 9933`:
 
 ```bash
@@ -166,7 +164,11 @@ curl -H "Content-Type: application/json" -d '{"id":1, "jsonrpc":"2.0", "method":
 You will get JSON result similar to the following:
 
 ```json
-{"jsonrpc":"2.0","result":"0x159256d69a61b523a211d7845a92d5a238f6a97b53627c4aa92665eb6bc2959dc88c9c279ad01b8acf90573ca005f6565c4a0d88d19951740b8f8ec38c63b344b2c186e703ce88f0f4b628263265ffefa1cdc148c79a5608ccc7734e6a0bfb077076c5f370491331819d17884b9aa4e41d4e2bec774b5c31251203266c446a2ec02d89f5ecefcc75777d4de74766a57fbafe65b1850500875e8cf2fed3325f65","id":1}
+{
+  "jsonrpc": "2.0",
+  "result": "0x159256d69a61b523a211d7845a92d5a238f6a97b53627c4aa92665eb6bc2959dc88c9c279ad01b8acf90573ca005f6565c4a0d88d19951740b8f8ec38c63b344b2c186e703ce88f0f4b628263265ffefa1cdc148c79a5608ccc7734e6a0bfb077076c5f370491331819d17884b9aa4e41d4e2bec774b5c31251203266c446a2ec02d89f5ecefcc75777d4de74766a57fbafe65b1850500875e8cf2fed3325f65",
+  "id": 1
+}
 ```
 
 You can set the sesison key as documented in [Polkadot Wiki](https://wiki.polkadot.network/docs/maintain-guides-how-to-validate-polkadot).