In Table A.32. Kerberos in Reference is link "http://docs.oracle.com/javase/1.4.2/docs/guide/security/jaas/spec/com/sun/security/auth/module/Krb5LoginModule.html" which returns error 404. It should be replaced with current version.
Moving to ON_QA. The changes should be available for review on the documentation stage within an hour or so from this comment. http://documentation-devel.engineering.redhat.com/site/documentation/en-US/JBoss_Enterprise_Application_Platform/
Verified on stage.