Document URL:
(https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/5.2/html-single/installation_guide/index#installing_from_rpm)

Section Number and Name:
2.3.1. Installing JBoss Web Server from RPM packages
Sub-section: Installing JBoss Web Server from RPM packages using YUM

Describe the issue:
Repository names for RHEL 8 are incorrect.

For Red Hat Enterprise Linux 8:
jws-5-for-rhel-8-server-rpms
jb-coreservices-1-for-rhel-8-server-rpms

Suggestions for improvement:

For Red Hat Enterprise Linux 8:
jws-5-for-rhel-8-x86_64-rpms

Include note: The Red Hat JBoss Core Services repositories above are required for the installation of JBoss Web Server except on RHEL 8 systems.

This is reflected in the JBoss Web Server 5.3/5.4/5.5 documentation.
(https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/5.3/html-single/installation_guide/index#installing_from_rpm)
(https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/5.4/html-single/installation_guide/index#installing_from_rpm)
(https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/5.5/html-single/installation_guide/index#installing_from_rpm)