Revert "Update nested.md (#4363)"

This reverts commit aead297.

Signed-off-by: Melissa Vagi <[email protected]>

_field-types/supported-field-types/nested.md

@@ -203,5 +203,5 @@ Parameter | Description
 :--- | :--- 
 [`dynamic`]({{site.url}}{{site.baseurl}}/opensearch/supported-field-types/object#the-dynamic-parameter) | Specifies whether new fields can be dynamically added to this object. Valid values are `true`, `false`, and `strict`. Default is `true`.
 `include_in_parent` | A Boolean value that specifies whether all fields in the child nested object should also be added to the parent document in flattened form. Default is `false`.
-`include_in_root` | A Boolean value that specifies whether all fields in the child nested object should also be added to the root document in flattened form. Default is `false`.
+`incude_in_root` | A Boolean value that specifies whether all fields in the child nested object should also be added to the root document in flattened form. Default is `false`.
 `properties` | Fields of this object, which can be of any supported type. New properties can be dynamically added to this object if `dynamic` is set to `true`.