diff --git a/doc/man/man5/slapd.access.5 b/doc/man/man5/slapd.access.5
index b04758f511..ebf9264488 100644
--- a/doc/man/man5/slapd.access.5
+++ b/doc/man/man5/slapd.access.5
@@ -255,7 +255,9 @@ or
syntax. For dynamic groups the attributeType must
be a subtype of the
.B labeledURI
-attributeType.
+attributeType. Only LDAP URIs of the form
+.B ldap:///???
+will be evaluated in a dynamic group.
.LP
The statements
.BR peername= ,