diff --git a/README.md b/README.md
index 7e46cf8..c14d483 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,7 @@ A powershell script which adds a security group to a folder and all subfiles and
 
 To be used when subfolders have inheritance disabled but you still need to apply a security group to all.
 
+### IMPORTANT: This script has not been thoroughly tested yet, proceed with caution.
 
 The script will: