diff --git a/README.md b/README.md
index cae15bb3..140d20c0 100644
--- a/README.md
+++ b/README.md
@@ -244,6 +244,7 @@ You can use all of the following options with standalone version on <redoc> tag
 * `disableSearch` - disable search indexing and search box
 * `onlyRequiredInSamples` - shows only required fields in request samples.
 * `jsonSampleExpandLevel` - set the default expand level for JSON payload samples (responses and request body). Special value 'all' expands all levels. The default value is `2`.
+* `menuToggle` - if true clicking second time on expanded menu item will collapse it, default `false`
 * `theme` - ReDoc theme. Not documented yet. For details check source code: [theme.ts](https://github.com/Redocly/redoc/blob/master/src/theme.ts)
 
 ## Advanced usage of standalone version
diff --git a/src/components/SideMenu/SideMenu.tsx b/src/components/SideMenu/SideMenu.tsx
index f63d9c46..34643054 100644
--- a/src/components/SideMenu/SideMenu.tsx
+++ b/src/components/SideMenu/SideMenu.tsx
@@ -9,10 +9,7 @@ import { PerfectScrollbarWrap } from '../../common-elements/perfect-scrollbar';
 import { RedocAttribution } from './styled.elements';
 
 @observer
-export class SideMenu extends React.Component<{
-  menu: MenuStore;
-  className?: string;
-}> {
+export class SideMenu extends React.Component<{ menu: MenuStore; className?: string }> {
   static contextType = OptionsContext;
   private _updateScroll?: () => void;