Update rpc-endpoint.mdx

Author: freddmannen

docs/flashbots-auction/advanced/rpc-endpoint.mdx

@@ -18,9 +18,8 @@ Advanced users can interact with the RPC endpoint at `relay.flashbots.net`, or o
 | Network  | URL                                      |
 | -------- | ---------------------------------------- |
 | Mainnet  | `https://relay.flashbots.net`            |
-| Goerli   | `https://relay-goerli.flashbots.net`     |
 | Sepolia  | `https://relay-sepolia.flashbots.net`    |
-| Holesky  | `https://relay-holesky.flashbots.net`    |
+| Holešky  | `https://relay-holesky.flashbots.net`    |
 
 The API provides JSON-RPC methods for interfacing with Flashbots. Below are some of the restrictions: