[Tab] docs update

pages/api/tab.md

@@ -21,6 +21,8 @@ import Tab from '@material-ui/core/Tab';
 | <span class="prop-name">children</span> | <span class="prop-type">unsupportedProp</span> |  | This property isn't supported. Use the `component` property if you need to change the children structure. |
 | <span class="prop-name">classes</span> | <span class="prop-type">object</span> |  | Override or extend the styles applied to the component. See [CSS API](#css) below for more details. |
 | <span class="prop-name">disabled</span> | <span class="prop-type">bool</span> | <span class="prop-default">false</span> | If `true`, the tab will be disabled. |
+| <span class="prop-name">disableFocusRipple</span> | <span class="prop-type">bool</span> | <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> |  | If `true`, the ripple effect will be disabled. |
 | <span class="prop-name">icon</span> | <span class="prop-type">node</span> |  | The icon element. |
 | <span class="prop-name">label</span> | <span class="prop-type">node</span> |  | The label element. |
 | <span class="prop-name">value</span> | <span class="prop-type">any</span> |  | You can provide your own value. Otherwise, we fallback to the child position index. |