fixed typos

docs/nested_inlines.rst

@@ -4,11 +4,11 @@ How to add nested inlines in Django admin?
 
 You have yor models defined like this::
 
-    class Catgeory(models.Model):
+    class Category(models.Model):
         ...
 
     class Hero(models.Model):
-        catgeory = models.ForeignKey(Catgeory)
+        category = models.ForeignKey(Catgeory)
         ...
 
     class HeroAcquaintance(models.Model):
@@ -18,18 +18,18 @@ You have yor models defined like this::
 You want to have one admin page to create :code:`Category`, :code:`Hero` and :code:`HeroAcquaintance` objects. However, Django doesn't support nested inline with Foreign Keys or One To One relations which span more than one levels. You have a few options,
 
 
-You can change the :code:`HeroAcquaintance` model, so that it has a direct FK to :code:`Catgeory`, something like this::
+You can change the :code:`HeroAcquaintance` model, so that it has a direct FK to :code:`Category`, something like this::
 
     class HeroAcquaintance(models.Model):
         hero = models.OneToOneField(Hero, on_delete=models.CASCADE)
-        category = models.ForeignKey(Catgeory)
+        category = models.ForeignKey(Category)
 
         def save(self, *args, **kwargs):
             self.category = self.hero.category
             super().save(*args, **kwargs)
 
 
-Then you can attach :code:`HeroAcquaintanceInline` to :code:`CatgeoryAdmin`, and get a kind of nested inline.
+Then you can attach :code:`HeroAcquaintanceInline` to :code:`CategoryAdmin`, and get a kind of nested inline.
 
 Alternatively, there are a few third party Django apps which allow nested inline. A quick Github or DjangoPackages search will find one which suits your needs and tastes.