Change tagline (#584)

A lot of users seem to be installing Django-MySQL in the belief that it provides the base MySQL support for Django. Hopefully this will reduce that.

Author: adamchainz

README.rst

@@ -25,8 +25,8 @@ Django-MySQL
     | The dolphin-pony - proof that cute + cute = double cute.
 
 
-Django-MySQL is a non-inventively named package that helps you use some
-MySQL/MariaDB-specific features in the world of Django.
+Django-MySQL extends Django's built-in MySQL and MariaDB support their specific
+features not available on other databases.
 
 
 What kind of features?

docs/index.rst

@@ -4,8 +4,8 @@ Django-MySQL Documentation
 .. figure:: https://raw.github.com/adamchainz/django-mysql/master/docs/images/dolphin-pony.png
    :alt: The dolphin-pony - proof that cute + cute = double cute.
 
-Django-MySQL is a non-inventively named package that helps you use some
-MySQL/MariaDB-specific features in the world of Django.
+Django-MySQL extends Django's built-in MySQL and MariaDB support their specific
+features not available on other databases.
 
 If you're new, check out the :doc:`exposition` to see all the features in
 action, or get started with :doc:`installation`. Otherwise, take your pick:

setup.cfg

@@ -1,7 +1,7 @@
 [metadata]
 name = django-mysql
 version = 3.2.0
-description = Extensions to Django for use with MySQL/MariaDB
+description = Django-MySQL extends Django's built-in MySQL and MariaDB support their specific features not available on other databases.
 long_description = file: README.rst, HISTORY.rst
 long_description_content_type = text/x-rst
 author = Adam Johnson