diff --git a/examples/QQrDecoder/readme.md b/examples/QQrDecoder/readme.md
index fba38ab..9a97f1a 100644
--- a/examples/QQrDecoder/readme.md
+++ b/examples/QQrDecoder/readme.md
@@ -1 +1,3 @@
 this project is deprecated thus removed. It is replaced by [QZXingLive](examples/QZXingLive/)
+
+NOTE: the folder is preserved since there are links in forum threads that point to this project. Will be removed in future version