title: How to change header/page title of User Add Page in Django admin
body: <p>I'm working on Django.And I wanted to change the header in the User Add Page in the Django admin as marked with red color in the pic :</p>
  
  <p><a href="https://i.stack.imgur.com/yjCBz.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/yjCBz.png" alt="enter image description here"></a></p>
  
  <p>admin.py file is :</p>
  
  <pre><code>from django.contrib import admin
  from django.contrib.auth.admin import UserAdmin
  
  
  from .models import CustomUser
  
  
  class CustomUserAdmin(UserAdmin):
  
      list_display = ('first_name','last_name','email','is_staff', 'is_active',)
      list_filter = ('first_name','email', 'is_staff', 'is_active',)
  
      search_fields = ('email','first_name','last_name','a1','a2','city','state','pincode')
      ordering = ('first_name',)
  
      add_fieldsets = (
          ('Personal Information', {
              # To create a section with name 'Personal Information' with mentioned fields
              'description': "",
              'classes': ('wide',),  # To make char fields and text fields of a specific size
              'fields': (('first_name','last_name'),'email','a1','a2','city','state','pincode','check',
                         'password1', 'password2',)}
          ),
          ('Permissions',{
              'description': "",
              'classes': ('wide', 'collapse'),
              'fields':( 'is_staff', 'is_active','date_joined')}),
      )
  </code></pre>
  
  <p>So how to change the header of User Add page??</p>
  
  <p>Thanks in advance!!</p>