Updated format to taxonomy documentation

README.md

@@ -400,7 +400,7 @@ Taxonomy::make('Cinemas')
     ->helperText('Select one or more cinema terms.')
     ->taxonomy('cinema')
     ->appearance('checkbox') // checkbox, multi_select, radio, select
-    ->format('object') // id, object (default)
+    ->format('id') // object, id (default)
     ->create(false) // false or true (default)
     ->load(true) // true or false (default)
     ->save(true) // true or false (default)x