diff --git a/README.md b/README.md
index 8984ea5..d4b004a 100644
--- a/README.md
+++ b/README.md
@@ -1049,6 +1049,8 @@ sudo ./install.sh
 
 The program will be installed.
 
+**Note:** *Test only on the* **macOS Mojave theme custom desktop** *version!!* 
+
 ----
 
 ## 4. Virtual Machine Instructions