SEC-1089: Fix ACLs link in appendix and update title of domain object security chpter to include "ACLs"

src/docbkx/appendix-db-schema.xml

@@ -79,7 +79,7 @@ create table persistent_logins (
   <section>
     <title>ACL Schema</title>
     <para>
-      The tables used by the Spring Security <link xlink:href="domain-acls">ACL</link> implementation.
+      The tables used by the Spring Security <link xlink:href="#domain-acls">ACL</link> implementation.
 <programlisting xml:id="dbschema-acl"> 
 create table acl_sid (
   id bigint generated by default as identity(start with 100) not null primary key,

src/docbkx/domain-acls.xml

@@ -1,6 +1,6 @@
 <chapter xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="domain-acls">
     <info>
-        <title>Domain Object Security</title>
+        <title>Domain Object Security (ACLs)</title>
     </info>
     <section xml:id="domain-acls-overview">
         <info>