Added usage information to the header

diff --git a/100.chksetuid b/100.chksetuid
index 06151cfbfe53b6efe3a2dc746ad171cb2841f93e..f66b9fbab987769e5ad665baf613919be480e548 100755 (executable)
--- a/100.chksetuid
+++ b/100.chksetuid
@@ -10,6 +10,8 @@
 #              find operations on .zfs snapshot locations. This
 #              is the modified version of that script, which excludes
 #              searching in .zfs snapshot directories.
+# Usage: Replace the FreeBSD version of the script with this one:
+#        /etc/periodic/security/100.chksetuid
 #
 # Copyright (c) 2001  The FreeBSD Project
 # All rights reserved.