Merge pull request #10279 from ardislu/update-network-ids

chore: update example network IDs

Author: Corwin Smith

src/content/developers/docs/apis/json-rpc/index.md

@@ -202,11 +202,10 @@ None
 `String` - The current network id.
 
 The full list of current network IDs is available at [chainlist.org](https://chainlist.org). Some common ones are:
-`1`: Ethereum Mainnet
-`2`: Morden testnet (now deprecated)
-`3`: Ropsten testnet
-`4`: Rinkeby testnet
-`5`: Goerli testnet
+
+- `1`: Ethereum Mainnet
+- `5`: Goerli testnet
+- `11155111`: Sepolia testnet
 
 **Example**