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README.md

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-## Put.io magnet: and .torrent Handler for OS X
+## Put.io magnet: and .torrent Handler for macOS
 ![screenshot](https://s3.amazonaws.com/f.cl.ly/items/362l1z432n3O2w1X2C2B/Screen%20Shot%202016-05-21%20at%2000.48.37.png)
 
-*Put.IO Adder* is a small open source app for OS X, that registers as new handler for `magnet:` URI schemes, so that every time you click on a magnet link, it will automatically add it to your [put.io](http://put.io/) download queue.
+*Put.IO Adder* is a small open source app for macOS, that registers as new handler for `magnet:` URI schemes, so that every time you click on a magnet link, it will automatically add it to your [put.io](http://put.io/) download queue.
 
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