diff --git a/guides/common/modules/proc_configuring-project-to-use-ldap.adoc b/guides/common/modules/proc_configuring-project-to-use-ldap.adoc
index c2d06ee13e7..ea620e937b0 100644
--- a/guides/common/modules/proc_configuring-project-to-use-ldap.adoc
+++ b/guides/common/modules/proc_configuring-project-to-use-ldap.adoc
@@ -4,6 +4,7 @@
 Configure an LDAP authentication source to enable users to log in to {Project} with their existing LDAP credentials.
 
 .Prerequisites
+* Your LDAP server complies with the link:https://datatracker.ietf.org/doc/html/rfc2307[RFC 2307] schema.
 * Your user account has the following permissions:
 ** `view_authenticators`, `create_authenticators`, `edit_authenticators`
 ** `view_locations`, `assign_locations`