diff --git a/config/example-config.php b/config/example-config.php
index 165e7d70..19bc3abc 100644
--- a/config/example-config.php
+++ b/config/example-config.php
@@ -665,7 +665,7 @@ $c->admin_email = 'calendar-admin@example.com';
 
        /* For the initial bind to be anonymous leave bindDN and passDN
           commented out */
-// DN and password if rquired to bind to this server for initial queries
+// DN and password if required to bind to this server for initial queries
 //     'bindDN' => 'cn=manager,cn=internal,dc=tennaxia,dc=net',
 //     'passDN' => 'xxxxxxxx',
 
@@ -679,12 +679,12 @@ $c->admin_email = 'calendar-admin@example.com';
        /** /!\ "username" should be set and "modified" must be set **/
 //     'mapping_field' => array("username" => "uid",
 //         "modified" => "modifyTimestamp",
-//         "fullname" => "cn" ,
+//         "fullname" => "cn",
 //         "email"    => "mail"
 //     ), // used to create the user based on their ldap properties
 //     'group_mapping_field' => array("username" => "cn",
 //         "modified" => "modifyTimestamp",
-//         "fullname" => "cn" ,
+//         "fullname" => "cn",
 //         "members"  => "memberUid"
 //     ), // used to create the group based on the ldap properties
 //     'group_member_dnfix' => true,   // if your "members" field contains the full DN and needs to be truncated to just the uid
@@ -722,7 +722,7 @@ $c->admin_email = 'calendar-admin@example.com';
 // $c->authenticate_hook['call'] = 'LDAP_check';
 // $c->authenticate_hook['config'] = array(
 //     'host'              => 'ldap://ldap.example.net',
-//     'port'              => '389', // usually 636 for ldaps://
+//     'port'              => '389', // usually 636 for ldaps
 //     'bindDN'            => 'CN=bind-user,CN=Users,dc=DOMAIN,dc=local',
 //     'passDN'            => 'secret',
 //     'baseDNUsers'       => 'dc=DOMAIN,dc=local',
@@ -733,7 +733,8 @@ $c->admin_email = 'calendar-admin@example.com';
 //     'mapping_field'     => array(
 //         "username" => "sAMAccountName",
 //         "fullname" => "displayName" ,
-//         "email"    => "mail"
+//         "email"    => "mail",
+//         "modified" => ""
 //     ),
 //     'default_value'     => array("date_format_type" => "E","locale" => "en_NZ"),
 //     'format_updated'    => array('Y' => array(0,4), 'm' => array(4,2), 'd' => array(6,2), 'H' => array(8,2), 'M' => array(10,2), 'S' => array(12,2))