diff --git a/Sync-WLED-devices-(UDP-Notifier).md b/Sync-WLED-devices-(UDP-Notifier).md
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--- a/Sync-WLED-devices-(UDP-Notifier).md
+++ b/Sync-WLED-devices-(UDP-Notifier).md
@@ -1,3 +1,5 @@
+_Note: this page is now out of date, see updated functionality in the code ([udp.cpp](https://github.com/Aircoookie/WLED/blob/master/wled00/udp.cpp))_
+
 ### Usage
 
 The UDP notifier function of WLED makes it easy to sync multiple lights to the same color/effect, enabled by default.