diff --git a/docs/addons-perf.md b/docs/addons-perf.md
index 762c75a3e..cf1f8e2c1 100644
--- a/docs/addons-perf.md
+++ b/docs/addons-perf.md
@@ -6,6 +6,10 @@ layout: docs
 category: Add-Ons
 ---
 
+> Note:
+>
+> As of React 16, `react-addons-perf` is not supported. Please use [your browser's profiling tools](/react/docs/optimizing-performance.html#profiling-components-with-the-chrome-performance-tab) to get insight into which components re-render.
+
 **Importing**
 
 ```javascript