diff --git a/README.md b/README.md
index 2dcd38a..4c5186f 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,7 @@
     + [Implementation](#implementation)
     + [Layout system](#layout-system)
   * [Libraries](#libraries)
+    + [Augmented reality](#augmented-reality)
     + [Extensions](#extensions)
     + [Image](#image)
     + [Inspection](#inspection)
@@ -129,12 +130,16 @@
 
 ### macOS
 
-- [SwiftUI for Mac ](https://troz.net/post/2019/swiftui-for-mac-1/) - Try out a Mac app and see what happened.
+- [SwiftUI for Mac](https://troz.net/post/2019/swiftui-for-mac-1/) - Try out a Mac app and see what happened.
 - [SwiftUI for Mac on Big Sur](https://troz.net/post/2020/swiftui_mac_big_sur/)
 - [AppKit is done](https://kean.blog/post/appkit-is-done) 
 
 ## Libraries
 
+### Augmented reality
+
+- [ARHeadsetKit](https://github.com/philipturner/ARHeadsetKit) - High-level AR framework for replicating Hololens, using SwiftUI instead of Storyboard
+
 ### Extensions
 
 - [SwiftUIX](https://github.com/SwiftUIX/SwiftUIX) - An extension to the standard SwiftUI library.