diff --git a/Release-Notes.md b/Release-Notes.md
index 931e4b5..6bfcac2 100644
--- a/Release-Notes.md
+++ b/Release-Notes.md
@@ -5,6 +5,8 @@
 
 _Thank for release to - [h5p9sl](https://github.com/h5p9sl)_
 
+**Important! If you can't open previously encrypted file, just decrypt it in older version, and encrypt in new version, sorry for the inconvenience.**
+
 ***
 
 ### v1.1.2 (2018-02-17)