diff --git a/README.md b/README.md
index edc256e..d531b4c 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,12 @@ SWF, run the following from Clippy's root directory:
 If that is successful, copy `build/clippy.swf` to your
 `public` directory or wherever your static assets can be found.
 
+Note: in haXe 3+ edit compile.hxml and replace:
+--flash-use-stage
+with
+-D flash-use-stage
+
+
 Contribute
 ----------
 
@@ -80,4 +86,4 @@ The best way to get your changes merged back into core is as follows:
 License
 -------
 
-MIT License (see LICENSE file)
\ No newline at end of file
+MIT License (see LICENSE file)