diff --git a/src/soroban_rpc.ts b/src/soroban_rpc.ts
index 45f59763..1ea3a52e 100644
--- a/src/soroban_rpc.ts
+++ b/src/soroban_rpc.ts
@@ -131,7 +131,8 @@ export namespace SorobanRpc {
     transactionData: string;
     events: string[];
     minResourceFee: string;
-    results: SimulateHostFunctionResult[]; // always one element, tho
+    // This will only contain a single element, because only a single invokeHostFunctionOperation is supported per transaction.
+    results: SimulateHostFunctionResult[];
     latestLedger: number;
     cost: Cost;
   }