typo in badge [skip ci]

Author: mratsim

README.md

@@ -1,5 +1,5 @@
 # Synthesis
-[![Build Status: Travis](https://img.shields.io/travis/com/mratsim/Synthesis?label=Travis%20%28Linux%2FMac%20-%20x86%2FARM%29](https://travis-ci.com/mratsim/Synthesis)
+[![Build Status: Travis](https://img.shields.io/travis/com/mratsim/Synthesis?label=Travis%20%28Linux%2FMac%20-%20x86%2FARM%29)](https://travis-ci.com/mratsim/Synthesis)
 [![License: Apache](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 ![Stability: experimental](https://img.shields.io/badge/stability-experimental-orange.svg)