document how to use more than one Authorizer implementations
diff --git a/src/site/apt/configuration.apt b/src/site/apt/configuration.apt
index 94958ed..c5575fb 100644
--- a/src/site/apt/configuration.apt
+++ b/src/site/apt/configuration.apt
@@ -233,11 +233,15 @@
* ldap.config.groups.role.*(ldap group)=*(role) (mapping ldap group <-> redback role) (example: ldap.config.groups.role.archiva-admin=Archiva System Administrator)
-** User Manager Implementation to use
+** User Manager Implementation(s) to use
* user.manager.impl=cached (since 1.4-M4: Archiva support more than one value comma separated)
* valid values for realistic usage are 'cached' and then further configuring the cached instance to use another underlying user manager like ldap or the jdo one which is used by default. Placing 'ldap' here will check with the ldap system for a fair amount of checks and would likely be a performance issue
+** Authorizer Implementation(s) to use
+
+ * authorizer.impl=ldap,rbac (since 1.4-M4: Archiva more than one Authorizer implementation)
+
