diff --git a/Compatibility.md b/Compatibility.md
index eb136b7c..bc16f1bf 100644
--- a/Compatibility.md
+++ b/Compatibility.md
@@ -138,3 +138,4 @@ ships with: Ubuntu Wily (15.10)
 ### Mac OS X 10.10
 
 ### Mac OS X 10.11
+* **NSLayoutGuide**