diff --git a/src/etc/inc/system.inc b/src/etc/inc/system.inc
index efbc41598..e8ee16586 100644
--- a/src/etc/inc/system.inc
+++ b/src/etc/inc/system.inc
@@ -1269,6 +1269,10 @@ function system_cron_configure($verbose = false, $defer = false)
     }
 
     $crontab_contents = "# DO NOT EDIT THIS FILE -- OPNsense auto-generated file\n";
+    $crontab_contents .= "#\n";
+    $crontab_contents .= "# User-defined crontab files can be loaded via /etc/cron.d\n";
+    $crontab_contents .= "# or /usr/local/etc/cron.d and follow the same format as\n";
+    $crontab_contents .= "# /etc/crontab, see the crontab(5) manual page.\n";
     $crontab_contents .= "SHELL=/bin/sh\n";
     $crontab_contents .= "PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin\n";
     $crontab_contents .= "#minute\thour\tmday\tmonth\twday\tcommand\n";
diff --git a/src/opnsense/service/templates/OPNsense/Cron/user.cron b/src/opnsense/service/templates/OPNsense/Cron/user.cron
index ba59e6671..405854532 100644
--- a/src/opnsense/service/templates/OPNsense/Cron/user.cron
+++ b/src/opnsense/service/templates/OPNsense/Cron/user.cron
@@ -1,4 +1,8 @@
 # DO NOT EDIT THIS FILE -- OPNsense auto-generated file
+#
+# User-defined crontab files can be loaded via /etc/cron.d
+# or /usr/local/etc/cron.d and follow the same format as
+# /etc/crontab, see the crontab(5) manual page.
 SHELL=/bin/sh
 PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
 {% if helpers.exists('OPNsense.cron.jobs') %}