Fix formatting with the readme

README.md

@@ -21,6 +21,7 @@ Devices Supported
 Known Issue
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 Due to a bug in Android itself, it's highly recommended to not use it with a device running [Android 5.1.1 Lollipop](https://en.wikipedia.org/wiki/Android_version_history#Android_5.1_Lollipop_(API_22)). See issue [#142](https://github.com/felHR85/UsbSerial/issues/142) for more details.
+
 How to use it?
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 Instantiate a new object of the UsbSerialDevice class