Update docs for new requirements

docs/src/pages/lab/toggle-button/ToggleButtons.js

@@ -33,6 +33,7 @@ class ToggleButtons extends React.Component {
   };
 
   handleFormat = formats => this.setState({ formats });
+
   handleAlignment = alignment => this.setState({ alignment });
 
   render() {

docs/src/pages/lab/toggle-button/toggle-button.md

@@ -1,13 +1,16 @@
 ---
+title: Toggle Button React component
 components: ToggleButton, ToggleButtonGroup
 ---
 
 # Toggle Buttons
 
-[Toggle buttons](https://material.io/guidelines/components/buttons.html#buttons-toggle-buttons) may be used to group related options. Arrange layout and spacing to convey that certain toggle buttons are part of a group.
+<p class="description">Toggle buttons can be used to group related options.</p>
+
+To emphasize groups of related [Toggle buttons](https://material.io/design/components/buttons.html#toggle-button),
+a group should share a common container.
 
 The `ToggleButtonGroup` will control the selected of its child buttons when
 given its own `value` prop.
 
 {{"demo": "pages/lab/toggle-button/ToggleButtons.js"}}
-

pages/lab/api/toggle-button-group.md

@@ -1,25 +1,28 @@
 ---
 filename: /packages/material-ui-lab/src/ToggleButton/ToggleButtonGroup.js
+title: ToggleButtonGroup API
 ---
 
 <!--- This documentation is automatically generated, do not try to edit it. -->
 
 # ToggleButtonGroup
 
+<p class="description">The API documentation of the ToggleButtonGroup React component.</p>
+
 
 
 ## Props
 
 | Name | Type | Default | Description |
 |:-----|:-----|:--------|:------------|
-| <span class="prop-name required">children *</span> | <span class="prop-type">node |  | The content of the button. |
-| <span class="prop-name">classes</span> | <span class="prop-type">object |  | Useful to extend the style applied to components. |
+| <span class="prop-name required">children *</span> | <span class="prop-type">node |   | The content of the button. |
+| <span class="prop-name">classes</span> | <span class="prop-type">object |   | Useful to extend the style applied to components. |
 | <span class="prop-name">exclusive</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true` only allow one of the child ToggleButton values to be selected. |
-| <span class="prop-name">onChange</span> | <span class="prop-type">func |  | Callback fired when the value changes.<br><br>**Signature:**<br>`function(event: object, value: object) => void`<br>*event:* The event source of the callback<br>*value:* of the selected buttons. When `exclusive` is true this is a single value; when false an array of selected values. |
+| <span class="prop-name">onChange</span> | <span class="prop-type">func |   | Callback fired when the value changes.<br><br>**Signature:**<br>`function(event: object, value: object) => void`<br>*event:* The event source of the callback<br>*value:* of the selected buttons. When `exclusive` is true this is a single value; when false an array of selected values. |
 | <span class="prop-name">selected</span> | <span class="prop-type">union:&nbsp;bool&nbsp;&#124;<br>&nbsp;enum:&nbsp;'auto'<br><br> | <span class="prop-default">'auto'</span> | If `true` render the group in a selected state. If `auto` (the default) render in a selected state if `value` is not empty. |
 | <span class="prop-name">value</span> | <span class="prop-type">any | <span class="prop-default">null</span> | The currently selected value within the group or an array of selected values when `exclusive` is false. |
 
-Any other properties supplied will be [spread to the root element](/guides/api#spread).
+Any other properties supplied will be spread to the root element (native element).
 
 ## CSS API
 

pages/lab/api/toggle-button.md

@@ -1,26 +1,29 @@
 ---
 filename: /packages/material-ui-lab/src/ToggleButton/ToggleButton.js
+title: ToggleButton API
 ---
 
 <!--- This documentation is automatically generated, do not try to edit it. -->
 
 # ToggleButton
 
+<p class="description">The API documentation of the ToggleButton React component.</p>
+
 
 
 ## Props
 
 | Name | Type | Default | Description |
 |:-----|:-----|:--------|:------------|
-| <span class="prop-name required">children *</span> | <span class="prop-type">node |  | The content of the button. |
-| <span class="prop-name">classes</span> | <span class="prop-type">object |  | Useful to extend the style applied to components. |
+| <span class="prop-name required">children *</span> | <span class="prop-type">node |   | The content of the button. |
+| <span class="prop-name">classes</span> | <span class="prop-type">object |   | Useful to extend the style applied to components. |
 | <span class="prop-name">disabled</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true`, the button will be disabled. |
 | <span class="prop-name">disableFocusRipple</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true`, the  keyboard focus ripple will be disabled. `disableRipple` must also be true. |
 | <span class="prop-name">disableRipple</span> | <span class="prop-type">bool | <span class="prop-default">false</span> | If `true`, the ripple effect will be disabled. |
-| <span class="prop-name">selected</span> | <span class="prop-type">bool |  | If `true`, the button will be rendered in an active state. |
-| <span class="prop-name required">value *</span> | <span class="prop-type">any |  | The value to associate with the button when selected in a ToggleButtonGroup. |
+| <span class="prop-name">selected</span> | <span class="prop-type">bool |   | If `true`, the button will be rendered in an active state. |
+| <span class="prop-name required">value *</span> | <span class="prop-type">any |   | The value to associate with the button when selected in a ToggleButtonGroup. |
 
-Any other properties supplied will be [spread to the root element](/guides/api#spread).
+Any other properties supplied will be spread to the root element ([ButtonBase](/api/button-base)).
 
 ## CSS API
 
@@ -42,6 +45,7 @@ you need to use the following style sheet name: `MuiToggleButton`.
 ## Inheritance
 
 The properties of the [ButtonBase](/api/button-base) component are also available.
+You can take advantage of this behavior to [target nested components](/guides/api#spread).
 
 ## Demos