Fix listbox.multiselect issue in control-objects.md (re PR #12)

Author: zlovatt

docs/user-interface-tools/control-objects.md

@@ -408,8 +408,7 @@ A list box with zero or more items. Calls the [onChange](#onchange) callback if
 |     Property      |       Type       |                                                                                                                                                                     Description                                                                                                                                                                      |
 | ----------------- | ---------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
 | `name`            | String           | A unique name for the control.                                                                                                                                                                                                                                                                                                                       |
-| `multiselect`     | Boolean          | When `false` (the default), only one item can be                                                                                                                                                                                                                                                                                                     |
-| `selected`        | Boolean          | When `true`, multiple items can be selected.                                                                                                                                                                                                                                                                                                         |
+| `multiselect`     | Boolean          | When `false` (the default), only one item can be selected. When `true`, multiple items can be selected.                                                                                                                                                                                                                                              |
 | `items`           | Array of Strings | The text of each list item. Supply this property, or the `items` argument, not both. This form is most useful for elements defined using [Resource specifications](resource-specifications.md).                                                                                                                                                      |
 | `numberOfColumns` | Number           | A number of columns in which to display the items; default is 1. When there are multiple columns, each [ListItem](types-of-controls.md#listitem) object represents a single selectable row. Its [text](#text) and [image](#image) values supply the label for the first column, and the `subitems` property specifies labels for additional columns. |
 | `showHeaders`     | Boolean          | `true` to display column titles.                                                                                                                                                                                                                                                                                                                     |