firstdjango/django_site/pages/admin.py

from django.contrib import admin

# Register your models here.

from .models import Page

# The old admin.site.register(Page) ...
# admin.site.register(Page)

class PageAdmin(admin.ModelAdmin):
    list_display = ('title', 'update_date')
    ordering = ('title',)
    search_fields = ('title',)

admin.site.register(Page, PageAdmin)