fixed typo

rest_framework/fields.py

@@ -488,7 +488,7 @@ class HyperlinkedRelatedField(RelatedField):
             self.view_name = kwargs.pop('view_name')
         except:
             raise ValueError("Hyperlinked field requires 'view_name' kwarg")
-        self.slug_url_kwarg = kwargs.pop('slug_url_kwargs', self.slug_url_kwarg)
+        self.slug_url_kwarg = kwargs.pop('slug_url_kwarg', self.slug_url_kwarg)
         self.slug_field = kwargs.pop('slug_field', self.slug_field)
         self.format = kwargs.pop('format', None)
         super(HyperlinkedRelatedField, self).__init__(*args, **kwargs)

rest_framework/tests/hyperlinkedserializers.py

@@ -17,7 +17,7 @@ class BlogPostCommentSerializer(serializers.Serializer):
 
 class PhotoSerializer(serializers.Serializer):
     description = serializers.CharField()
-    album_url = serializers.HyperlinkedRelatedField(source='album', view_name='album-detail', queryset=Album.objects.all(), slug_field='title', slug_url_kwargs='title')
+    album_url = serializers.HyperlinkedRelatedField(source='album', view_name='album-detail', queryset=Album.objects.all(), slug_field='title', slug_url_kwarg='title')
 
     def restore_object(self, attrs, instance=None):
         return Photo(**attrs)