Fixed #25262 -- Removed the enable_comments field from FlatPageAdmin.

docs/ref/contrib/admin/index.txt

@@ -330,7 +330,7 @@ subclass::
                 }),
                 ('Advanced options', {
                     'classes': ('collapse',),
-                    'fields': ('enable_comments', 'registration_required', 'template_name')
+                    'fields': ('registration_required', 'template_name'),
                 }),
             )
 

docs/ref/contrib/flatpages.txt

@@ -170,6 +170,8 @@ For more on middleware, read the :doc:`middleware docs
 How to add, change and delete flatpages
 =======================================
 
+.. _flatpages-admin:
+
 Via the admin interface
 -----------------------
 
@@ -177,6 +179,38 @@ If you've activated the automatic Django admin interface, you should see a
 "Flatpages" section on the admin index page. Edit flatpages as you edit any
 other object in the system.
 
+The ``FlatPage`` model has an ``enable_comments`` field that isn't used by
+``contrib.flatpages``, but that could be useful for your project or third-party
+apps. It doesn't appear in the admin interface, but you can add it by
+registering a custom ``ModelAdmin`` for ``FlatPage``::
+
+    from django.contrib import admin
+    from django.contrib.flatpages.admin import FlatPageAdmin
+    from django.contrib.flatpages.models import FlatPage
+    from django.utils.translation import ugettext_lazy as _
+
+    # Define a new FlatPageAdmin
+    class FlatPageAdmin(FlatPageAdmin):
+        fieldsets = (
+            (None, {'fields': ('url', 'title', 'content', 'sites')}),
+            (_('Advanced options'), {
+                'classes': ('collapse', ),
+                'fields': (
+                    'enable_comments',
+                    'registration_required',
+                    'template_name',
+                ),
+            }),
+        )
+
+    # Re-register FlatPageAdmin
+    admin.site.unregister(FlatPage)
+    admin.site.register(FlatPage, FlatPageAdmin)
+
+.. versionchanged:: 1.9
+
+    The ``enable_comments`` field was removed from ``FlatPageAdmin``.
+
 Via the Python API
 ------------------