Change URL of browsable API of django rest framework from 127.0.0.1:8000 to 127.0.0.1:8000/api

I followed the simple quickstart tutorial in the official documentation of django rest framework.

https://www.django-rest-framework.org/tutorial/quickstart/

The tutorial works fine. The URL of the browsable API is at 127.0.0.1:8000. How do I change it to 127.0.0.1:8000/api?

The code for urls.py;

from django.urls import include, path
from rest_framework import routers
from tutorial.quickstart import views

router = routers.DefaultRouter()
router.register(r'users', views.UserViewSet)
router.register(r'groups', views.GroupViewSet)

# Wire up our API using automatic URL routing.
# Additionally, we include login URLs for the browsable API.
urlpatterns = [
    path('', include(router.urls)),
    path('api-auth/', include('rest_framework.urls', namespace='rest_framework'))
]

I am using django v4, python v3.9