formatting

helpers.md

@@ -1389,8 +1389,10 @@ The `optional` function accepts any argument and allows you to access properties
 
     {!! old('name', optional($user)->name) !!}
 
+The `optional` function also accepts a Closure as its second argument. The Closure will be invoked if the value provided as the first argument is not null:
+
     return optional(User::find($id), function ($user) {
-        return App\Post::findUser($user->id);
+        return new DummyUser;
     });
 
 <a name="method-policy"></a>