Update README.md

Author: Zigur

README.md

@@ -13,7 +13,7 @@ To find out who's using ISA and about the ISA development and user community, se
 
 The *ISA API*  aims to provide you, the developer, with a set of tools to help you easily and quickly build your own ISA objects, validate, and convert between serializations of ISA-formatted datasets and other formats/schemas (e.g. SRA schemas). The ISA API is published on PyPI as the `isatools` package.
 
-`isatools` is currently only supported in Python 3.6+.
+`isatools` currently supports Python 3.6+.
 
 [![Py versions](https://img.shields.io/pypi/pyversions/isatools.svg?style=flat&maxAge=3600)](https://pypi.python.org/pypi/isatools/)
 [![Build Status](https://travis-ci.org/ISA-tools/isa-api.svg?branch=master)](https://travis-ci.org/ISA-tools/isa-api/)