Fix case of the mxisd ldap.connection.baseDNs option in comment

roles/matrix-mxisd/defaults/main.yml

@@ -152,7 +152,7 @@ matrix_mxisd_configuration_extension_yaml: |
   #     host: ldapHostnameOrIp
   #     tls: false
   #     port: 389
-  #     baseDns: ['OU=Users,DC=example,DC=org']
+  #     baseDNs: ['OU=Users,DC=example,DC=org']
   #     bindDn: CN=My Mxisd User,OU=Users,DC=example,DC=org
   #     bindPassword: TheUserPassword