diff --git a/execution/evm/eth_rpc_client.go b/execution/evm/eth_rpc_client.go
index 8799a8177..d083a3d59 100644
--- a/execution/evm/eth_rpc_client.go
+++ b/execution/evm/eth_rpc_client.go
@@ -20,6 +20,8 @@ func (e *ethRPCClient) HeaderByNumber(ctx context.Context, number *big.Int) (*ty
 	return e.client.HeaderByNumber(ctx, number)
 }
 
+// GetTxs works only on custom execution clients exposing txpoolExt_getTxs.
+// Standard Ethereum nodes do not support this RPC method.
 func (e *ethRPCClient) GetTxs(ctx context.Context) ([]string, error) {
 	var result []string
 	err := e.client.Client().CallContext(ctx, &result, "txpoolExt_getTxs")
diff --git a/execution/evm/eth_rpc_tracing.go b/execution/evm/eth_rpc_tracing.go
index a2842d7f2..1d908eddb 100644
--- a/execution/evm/eth_rpc_tracing.go
+++ b/execution/evm/eth_rpc_tracing.go
@@ -59,6 +59,8 @@ func (t *tracedEthRPCClient) HeaderByNumber(ctx context.Context, number *big.Int
 	return result, nil
 }
 
+// GetTxs works only on custom execution clients exposing txpoolExt_getTxs.
+// Standard Ethereum nodes do not support this RPC method.
 func (t *tracedEthRPCClient) GetTxs(ctx context.Context) ([]string, error) {
 	ctx, span := t.tracer.Start(ctx, "TxPool.GetTxs",
 		trace.WithAttributes(