tidy up

README.md

@@ -215,6 +215,7 @@ improving tx confirmation rates will require trial and error, try adjusting tx T
 results are meet requirements:
 - set `--extra-rpcs=<RPC_1>,<RPC_2>` to broadcast tx to multiple nodes
 - set `--skip-tx-preflight` to disable preflight RPC checks
+- setting a longer `ttl` per request
 - set statically higher CU prices per request (see previous section) when no ack rates increase
 
 **example request**

src/main.rs

@@ -243,7 +243,7 @@ async fn main() -> std::io::Result<()> {
         Some((state_commitment, tx_commitment)),
         Some(config.default_sub_account_id),
         config.skip_tx_preflight,
-        config.extra_rpc.split(",").collect(),
+        config.extra_rpcs.split(",").collect(),
     )
     .await;
 
@@ -415,7 +415,7 @@ struct GatewayConfig {
     skip_tx_preflight: bool,
     /// extra solana RPC urls for improved Tx broadcast
     #[argh(option)]
-    extra_rpc: String,
+    extra_rpcs: String,
     /// enable debug logging
     #[argh(switch)]
     verbose: bool,