Update django-models text

This is a list using square brackets in my settings.py file

Author: gkhaburzaniya

en/django_models/README.md

@@ -93,19 +93,19 @@ djangogirls
     └── wsgi.py
 ```
 
-After creating an application, we also need to tell Django that it should use it. We do that in the file `mysite/settings.py`. We need to find `INSTALLED_APPS` and add a line containing `'blog',` just above `)`. So the final product should look like this:
+After creating an application, we also need to tell Django that it should use it. We do that in the file `mysite/settings.py`. We need to find `INSTALLED_APPS` and add a line containing `'blog',` just above `]`. So the final product should look like this:
 
 {% filename %}mysite/settings.py{% endfilename %}
 ```python
-INSTALLED_APPS = (
+INSTALLED_APPS = [
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
     'blog',
-)
+]
 ```
 
 ### Creating a blog post model