diff --git a/docs/rpc.md b/docs/rpc.md
index 7e32d3bb0..1872ccfa3 100644
--- a/docs/rpc.md
+++ b/docs/rpc.md
@@ -98,7 +98,7 @@ following data types:
 
 Any call that takes any of these types for input in JSON format is affected.
 
-##### `invokefunction`
+##### `invokefunction`, `invokescript`
 
 neo-go implementation of `invokefunction` does not return `tx`
 field in the answer because that requires signing the transaction with some
@@ -110,6 +110,12 @@ It's possible to use `invokefunction` not only with a contract scripthash, but a
 with a contract name (for native contracts) or a contract ID (for all contracts). This
 feature is not supported by the C# node.
 
+If iterator is present on stack after function or script invocation then, depending
+on `SessionEnable` RPC-server setting, iterator either will be marshalled as iterator
+ID (corresponds to `SessionEnabled: true`) or as a set of traversed iterator values
+up to `DefaultMaxIteratorResultItems` packed into array (corresponds to
+`SessionEnabled: false`).
+
 ##### `getcontractstate`
 
 It's possible to get non-native contract state by its ID, unlike with C# node where