diff --git a/macOS.md b/macOS.md
index a2b171b..9723996 100644
--- a/macOS.md
+++ b/macOS.md
@@ -1,3 +1,5 @@
+**NOTE: It is unknown what version of MacOS this guide is written for.  Please [open an issue](https://github.com/jtesta/ssh-audit/issues/new/choose) and notify us of your MacOS version if you successfully use this guide.**
+
 Note: all commands below are to be executed as the root user.
 
 1. Re-generate the RSA and ED25519 keys