Index: krb5-1.6.3/src/kadmin/ktutil/ktutil.M
===================================================================
--- krb5-1.6.3.orig/src/kadmin/ktutil/ktutil.M
+++ krb5-1.6.3/src/kadmin/ktutil/ktutil.M
@@ -63,5 +63,17 @@ Quits
 Aliases:
 .BR exit ,
 .BR q .
+.SH REMARKS
+Changes to the keytab are appended to the keytab file (i.e., the keytab file
+is never overwritten).  To directly modify a keytab, save the changes to a 
+temporary file and then overwrite the keytab file of interest.
+.TP
+.nf
+Example:
+ktutil> rkt /etc/krb5.keytab
+(modifications to keytab)
+ktutil> wkt /tmp/krb5.newtab
+ktutil> q
+# mv /tmp/krb5.newtab /etc/krb5.keytab
 .SH SEE ALSO
 kadmin(8), kdb5_util(8)