Update setup.cfg

Author: atedstone

setup.cfg

@@ -11,9 +11,9 @@ project_urls =
     Bug Tracker = https://github.com/GlacioHack/marutils/issues
 classifiers =
     Programming Language :: Python :: 3
-    License :: OSI Approved :: BSD-3
+    License :: OSI Approved :: BSD License
     Operating System :: OS Independent
 
 [options]
 packages = find:
-python_requires = >=3.6
+python_requires = >=3.6