diff --git a/README.md b/README.md
index 11aa552..20b1625 100644
--- a/README.md
+++ b/README.md
@@ -322,6 +322,10 @@ management technology, and is beyond the scope of this documentation.
    this behaviour.
 
 * `ATL_UNSET_SENSITIVE_ENV_VARS` (default: true)
+   
+   **WARNING:** When using this property, the values to sensitive environment variables (see below) will 
+   be available in clear text on the host OS. As such, this data may be exposed to users or processes 
+   running on the host OS. 
 
    Define whether to unset environment variables containing keywords 'PASS', 'SECRET' or 'TOKEN'.
    The unset function is executed in the entrypoint. Set to `false` if you want to allow passing