fix product model meta names error

products/models.py

@@ -34,8 +34,8 @@ class ProductAttributeChoiceValue(AbstractDateTimeModel):
 
     class Meta:
         unique_together = ('name', 'attribute')
-        verbose_name = 'attribute choices value'
-        verbose_name_plural = 'attribute choices values'
+        verbose_name = 'Product attribute value'
+        verbose_name_plural = 'Product attribute values'
 
 
 class Manufacturer(AbstractStatusModel):
@@ -65,8 +65,8 @@ class ProductCategory(MPTTModel, AbstractDateTimeModel):
         return self.name
 
     class Meta:
-        verbose_name = 'Product''s category'
-        verbose_name_plural = 'Category of products'
+        verbose_name = 'Product\'s category'
+        verbose_name_plural = 'Product\'s categories'
         ordering = ('tree_id', 'level')
 
     class MPTTMeta:
@@ -99,8 +99,8 @@ class Product(AbstractStatusModel):
         indexes = [
             models.Index(fields=['id', 'slug'])
         ]
-        verbose_name = _('product')
-        verbose_name_plural = _('products')
+        verbose_name = 'Product'
+        verbose_name_plural = 'Products'