diff --git a/docs/rolereference.rst b/docs/rolereference.rst
index 933f1f621452d5f8a59a718b9579a281588e7100..ed701baaf0e1b9bb6c3385fb6212be7e7d55d96b 100644
--- a/docs/rolereference.rst
+++ b/docs/rolereference.rst
@@ -419,6 +419,8 @@ The role implements the following:
 * Configures OpenLDAP server (base DN - domain, organisation, TLS, SSF, log levels).
 * Sets-up separate log file for OpenLDAP server at ``/var/log/slapd.log`` (with
   log rotation included).
+* Enables the ``misc`` LDAP schema (from ``/etc/ldap/schema/misc.ldif``). This
+  is necessary for the mail server role.
 * Enables the ``memberof`` overlay on top of default database. The overlay is
   configured to keep track of membership changes for object class
   ``groupOfUniqueNames`` via attribute ``uniqueMember``. Enforcement of