update .env.sample

.env.sample

@@ -1,6 +1,6 @@
 ############################### DEFAULT #####################################
 # Chain ID
-CHAIN_ID=18186
+CHAIN_ID=18686
 
 # Exposed ports
 PORT_L2_EXECTION_ENGINE_HTTP=8545
@@ -24,7 +24,7 @@ MXC_L2_ADDRESS=0x1000777700000000000000000000000000000001
 L2_THROWAWAY_BLOCK_BUILDER_PRIVATE_KEY=006ce077e1e1f3935c31c1c4ace150d8772faf4f4fca1dccb59ebbca90ca4af6 # LibAnchorSignature.K_GOLDEN_TOUCH_PRIVATEKEY
 
 ############################### REQUIRED #####################################
-# L1 Arbitrum Goerli RPC endpoints (you will need an RPC provider such as Alchemy or Infura--or, run a full Arbitrum Goerli node yourself)
+# L1 Arbitrum one RPC endpoints (you will need an RPC provider such as Alchemy or Infura--or, run a full Arbitrum one node yourself)
 L1_ENDPOINT_HTTP=
 L1_ENDPOINT_WS=