diff --git a/README.LDAP b/README.LDAP
index 61f63833d..c682420ca 100644
--- a/README.LDAP
+++ b/README.LDAP
@@ -260,6 +260,7 @@ when you imported the sudoers.  Below is an example /etc/ldap.conf
   # rootuse_sasl yes
   # rootsasl_auth_id <SASL username for root access>
   # sasl_secprops none
+  # krb5_ccname /etc/.ldapcache
   #
 
 Debugging your LDAP configuration