diff --git a/README.md b/README.md
index 22bcf9b..d6fb9e0 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ A fart app for the new Macbook Pro's [Touch Bar](https://developer.apple.com/mac
 3. Works with the TouchFart macOS app to allow selection and playback of predefined fart sounds.
 
 ## Note
-Since the new Macbook isn't available yet, you can test out the Touch Bar's first ever fart app with Xcode 8.1 and macOS Yosemite. Or watch this YouTube video:
+Since the new Macbook isn't available yet, you can test out the Touch Bar's first ever fart app with Xcode 8.1 and macOS Sierra. Or watch this YouTube video:
 
 [![TouchFart Demo Video](http://img.youtube.com/vi/R6HVyaZpTgM/0.jpg)](http://www.youtube.com/watch?v=R6HVyaZpTgM "TouchFart")