README: fixup license to match the repository

README.md

@@ -2,10 +2,10 @@
 
 [![Build Status](https://travis-ci.org/romanz/trezor-agent.svg?branch=master)](https://travis-ci.org/romanz/trezor-agent)
 [![Python Versions](https://img.shields.io/pypi/pyversions/trezor_agent.svg)](https://pypi.python.org/pypi/trezor_agent/)
-[![License](https://img.shields.io/pypi/l/trezor_agent.svg)](https://pypi.python.org/pypi/trezor_agent/)
 [![Package Version](https://img.shields.io/pypi/v/trezor_agent.svg)](https://pypi.python.org/pypi/trezor_agent/)
 [![Development Status](https://img.shields.io/pypi/status/trezor_agent.svg)](https://pypi.python.org/pypi/trezor_agent/)
 [![Downloads](https://img.shields.io/pypi/dm/trezor_agent.svg)](https://pypi.python.org/pypi/trezor_agent/)
+[![License](https://img.shields.io/github/license/romanz/trezor-agent.svg)](https://pypi.python.org/pypi/trezor_agent/)
 
 See SatoshiLabs' blog post about this feature: