diff --git a/sources/platform/actors/development/actor_definition/dataset_schema/index.md b/sources/platform/actors/development/actor_definition/dataset_schema/index.md
index 2bf627dec..dea04e056 100644
--- a/sources/platform/actors/development/actor_definition/dataset_schema/index.md
+++ b/sources/platform/actors/development/actor_definition/dataset_schema/index.md
@@ -218,9 +218,9 @@ The dataset schema structure defines the various components and properties that
| Property | Type | Required | Description |
| --- | --- | --- | --- |
| `fields` | string[] | true | Selects fields to be presented in the output.
The order of fields matches the order of columns
in visualization UI. If a field value
is missing, it will be presented as **undefined** in the UI. |
-| `unwind` | string | false | Deconstructs nested children into parent object,
For example, with `unwind:["foo"]`, the object `{"foo": {"bar": "hello"}}`
is transformed into `{"bar": "hello"}`. |
+| `unwind` | string[] | false | Deconstructs nested children into parent object,
For example, with `unwind:["foo"]`, the object `{"foo": {"bar": "hello"}}`
is transformed into `{"bar": "hello"}`. |
| `flatten` | string[] | false | Transforms nested object into flat structure.
For example, with `flatten:["foo"]` the object `{"foo":{"bar": "hello"}}`
is transformed into `{"foo.bar": "hello"}`. |
-| `omit` | string | false | Removes the specified fields from the output.
Nested fields names can be used as well. |
+| `omit` | string[] | false | Removes the specified fields from the output.
Nested fields names can be used as well. |
| `limit` | integer | false | The maximum number of results returned.
Default is all results. |
| `desc` | boolean | false | By default, results are sorted in ascending based on the write event into the dataset.
If `desc:true`, the newest writes to the dataset will be returned first. |