extra documentation.

docs/source/getting_started.rst

@@ -2,15 +2,17 @@
 Getting started
 ===============
 
-Once the package is installed, you can use the `ChoicesConstraintModelMetaMixin` mixin in the models, for example:
+Once the package is installed, you can use the `FullChoicesConstraintModelMixin` mixin in the models, for example:
 
   .. code-block:: python3
-   
+
+   from django.core.validators import MinValueValidator
    from django.db import models
-   from django_enforced_choices import ChoicesConstraintModelMetaMixin
+   from django_enforced_choices import FullChoicesConstraintModelMixin
 
    
-   class Movie(ChoicesConstraintModelMetaMixin, models.Model):
+   class Movie(FullChoicesConstraintModelMixin, models.Model):
        genre = models.CharField(max_length=1, choices=[('d', 'drama'), ('h', 'horror')])
+       year = models.IntegerField(validators=[MinValueValidator(1888)])
 
-When we then run `makemigrations` it will create a model with the `genre` field, and include a `CheckConstraint` to restrict the values to `'d'` and `'h'`.
+When we then run `makemigrations` it will create a model with the `genre` field, and include a `CheckConstraint` to restrict the values to `'d'` and `'h'`; and the `year` field with a `CheckConstraint` that ensures the value is greater than or equal to 1888.

docs/source/installation.rst

@@ -9,4 +9,4 @@ The package can be fetched as `django-enforced-choices`, so for example with `pi
    pip3 install django-enforced-choices
 
 The item is not a Django app, so one should not to include it in the `INSTALLED_APPS`. It is only a module that
-offers some functionality to use in Django applications.
+offers some functionality to use in Django applications.