fix #6168 (#6169)

Author: Carlos Wu

packages/react-router/docs/api/Redirect.md

@@ -20,19 +20,21 @@ The URL to redirect to. Any valid URL path that [`path-to-regexp@^1.7.0`](https:
 All URL parameters that are used in `to` must be covered by `from`.
 
 ```jsx
-<Redirect to="/somewhere/else"/>
+<Redirect to="/somewhere/else" />
 ```
 
 ## to: object
 
 A location to redirect to. `pathname` can be any valid URL path that [`path-to-regexp@^1.7.0`](https://github.com/pillarjs/path-to-regexp/tree/v1.7.0) understands.
 
 ```jsx
-<Redirect to={{
-  pathname: '/login',
-  search: '?utm=your+face',
-  state: { referrer: currentLocation }
-}}/>
+<Redirect
+  to={{
+    pathname: "/login",
+    search: "?utm=your+face",
+    state: { referrer: currentLocation }
+  }}
+/>
 ```
 
 The `state` object can be accessed via `this.props.location.state` in the redirected-to component. This new `referrer` key (which is not a special name) would then be accessed via `this.props.location.state.referrer` in the `Login` component pointed to by the pathname `'/login'`
@@ -42,7 +44,7 @@ The `state` object can be accessed via `this.props.location.state` in the redire
 When `true`, redirecting will push a new entry onto the history instead of replacing the current one.
 
 ```jsx
-<Redirect push to="/somewhere/else"/>
+<Redirect push to="/somewhere/else" />
 ```
 
 ## from: string
@@ -57,9 +59,7 @@ This can only be used to match a location when rendering a `<Redirect>` inside o
   <Redirect from='/old-path' to='/new-path'/>
   <Route path='/new-path' component={Place}/>
 </Switch>
-```
 
-```jsx
 // Redirect with matched parameters
 <Switch>
   <Redirect from='/users/:id' to='/users/profile/:id'/>