admin foreign key issues

This is probably very simple, but I've never run into this before and
googling has not revealed anything.

I have these 2 models:

class Category(models.Model):
class Meta: db_table = 'data_category'
name = models.CharField(max_length=20, unique=True, db_index=True)

class Tool(models.Model):
class Meta: db_table = 'data_tool'
name = models.CharField(max_length=10, unique=True)
category = models.ForeignKey(Category)

In admin when I click on 'Categorys' I get a table of 'Category
object' and I have to click on those to get at an actual row in the
table. How can I make the data available from 'Categorys' without that
extra level?

Similarly, in Tools the Category column has 'Category object' and when
I click on a specific tool and get into change tool, the Category is a
drop down that has 'Category object' as every choice. How can I make
the actual category names appear here?

I tried defining a CategoryAdmin class:

class CategoryAdmin(admin.ModelAdmin):
list_display = ('name')
list_filter = ('name')
admin.site.register(Category, CategoryAdmin)

But that fails with 'CategoryAdmin.list_display' must be a list or tuple.


And finally, how can I get it to display 'Categories' instead of 'Categorys'

TIA!
-larry

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