Fix package configuration

Author: codingjoe

setup.cfg

@@ -4,8 +4,9 @@ author = Johannes Hoppe
 author-email = info@johanneshoppe.com
 summary = Write advanced filename patterns using the Format Specification Mini-Language.
 description-file = README.rst
+description-content-type = text/x-rst; charset=UTF-8
 home-page = https://github.com/codingjoe/django-dynamic-filenames
-license = MIT License
+license = MIT
 classifier =
     Development Status :: 5 - Production/Stable
     Environment :: Web Environment
@@ -15,6 +16,10 @@ classifier =
     Programming Language :: Python
     Programming Language :: Python :: 3
     Framework :: Django
+keywords =
+    django
+    django-storages
+    file
 
 [pbr]
 skip_authors = true