Update README

Author: fcurella

README.rst

@@ -23,7 +23,7 @@ Compatibility
 -------------
 
 Starting from version ``4.0.0``, ``Faker`` dropped support for Python 2 and from version ``5.0.0``
-only supports Python 3.7 and above. If you still need Python 2 compatibility, please install version ``3.0.1`` in the
+only supports Python 3.8 and above. If you still need Python 2 compatibility, please install version ``3.0.1`` in the
 meantime, and please consider updating your codebase to support Python 3 so you can enjoy the
 latest features ``Faker`` has to offer. Please see the `extended docs`_ for more details, especially
 if you are upgrading from version ``2.0.4`` and below as there might be breaking changes.