Update docs for Radio Group

src/radio-group/README.md

@@ -1,4 +1,4 @@
-# Visual Studio Code Radio
+# Visual Studio Code Radio Group
 
 The `vscode-radio-group` is a web component implementation of a [radio group](https://w3c.github.io/aria-practices/#radiobutton). While any DOM content is permissible as a child of the `vscode-radio-group`, only `vscode-radio` content and slotted content with a role of `radio` will receive keyboard support.
 
@@ -8,7 +8,7 @@ The `vscode-radio-group` is a web component implementation of a [radio group](ht
 | ------------- | ------- | -------------------------------------------------------------------------------------------- |
 | `disabled`    | boolean | Disables the radio group and child radios.                                                   |
 | `name`        | string  | The name of the radio group. This will also set the name value for all child radio elements. |
-| `orientation` | boolean | The orientation of the group. Options: `horiztonal`, `vertical`.                             |
+| `orientation` | string  | The orientation of the group. Options: `horiztonal`, `vertical`.                             |
 | `readonly`    | boolean | When true, the child radios will be immutable by user interaction.                           |
 
 ## Usage