diff --git a/pveum.adoc b/pveum.adoc
index 4fbaa86..57e1b37 100644
--- a/pveum.adoc
+++ b/pveum.adoc
@@ -163,6 +163,11 @@ configured via the `bind_dn` property in `/etc/pve/domains.cfg`. Its
 password then has to be stored in `/etc/pve/priv/ldap/<realmname>.pw`
 (e.g. `/etc/pve/priv/ldap/my-ldap.pw`). This file should contain a
 single line containing the raw password.
++
+To verify certificates, it is necessary to set `capath`, either directly to the 
+CA certificate of your LDAP server, or to the system path containing all 
+trusted CA certificates (`/etc/ssl/certs`).
+Additionally, the `verify` option has to be set.
 
 Microsoft Active Directory::