diff --git a/README.md b/README.md
index b17c8ea..9573006 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,5 @@
 Adds javascript placeholders
 [![Build Status](http://ci.extendedclip.com/buildStatus/icon?job=Javascript-Expansion)](http://ci.extendedclip.com/job/Javascript-Expansion/)
 [![Discord](https://discord.com/api/guilds/164280494874165248/widget.png)](http://helpch.at/discord)
+
+**NOTE**: This expansion will not work with JVM 15!