Fixes a classifier

Signed-off-by: zachwick <zach@zachwick.com>

Author: zachwick

setup.py

@@ -44,7 +44,7 @@ def readme():
       packages=['Adafruit_Thermal'],
       zip_safe=False,
       classifiers=[
-          'License :: OSI Approved :: MIT',
+          'License :: OSI Approved :: MIT License',
           'Intended Audience :: Developers',
           'Programming Language :: Python :: 3.4',
           'Programming Language :: Python :: 2.7',