diff --git a/etc/sudoers.d/zfs b/etc/sudoers.d/zfs
index f66ebad216..82a25ba81e 100644
--- a/etc/sudoers.d/zfs
+++ b/etc/sudoers.d/zfs
@@ -3,6 +3,7 @@
 ## to read basic SMART health statistics for a pool.
 ##
 ## CAUTION: Any syntax error introduced here will break sudo.
+## Editing with 'visudo' is recommended: visudo -f  /etc/sudoers.d/zfs 
 ##
 
 # ALL ALL = (root) NOPASSWD: /usr/sbin/smartctl -a /dev/[hsv]d[a-z0-9]*