Update note of l2geth.env

docs/networks/andromda/l2geth.env.yaml

@@ -5,7 +5,9 @@ CHAIN_ID: "1088"
 DATADIR: /root/.ethereum
 DESEQBLOCK: "0"
 ETH1_CTC_DEPLOYMENT_HEIGHT: "13626959"
-ETH1_SYNC_SERVICE_ENABLE: "true"
+# Set true if you're a sequencer node
+ETH1_SYNC_SERVICE_ENABLE: "false"
+# The archive mode is required for sequencer nodes
 GCMODE: archive
 IPC_DISABLE: "false"
 MAX_PEER: "150"
@@ -36,7 +38,7 @@ VERBOSITY: "3"
 # WS_ORIGINS: "*"
 # WS_PORT: "8546"
 
-# add it if you're a read only rpc node
+# add it if you're an rpc node
 # SEQ_BRIDGE_URL: "https://sepolia.metisdevops.link"
 
 ROLLUP_CLIENT_HTTP: "CHANG IT TO YOUR L1DTL ENDPOINT"