Update the about guide

modules/about/ref-customer-support-info.adoc

@@ -4,4 +4,6 @@
 If you experience difficulty with a procedure described in this documentation, visit the http://access.redhat.com[Red Hat Customer Portal]. You can use the Red Hat Customer Portal for the following purposes:
 
 * To search or browse through the Red Hat Knowledgebase of technical support articles about Red Hat products.
-* To create a https://access.redhat.com/support/cases/#/case/new/get-support?caseCreate=true[support case] for {company-name} Global Support Services (GSS). For support case creation, select *{product}* as the product and select the appropriate product version. For detailed information about supported platforms, see link:{release-notes-url}#con-release-notes-overview.adoc[Supported Platforms] and the link:https://access.redhat.com/support/policy/updates/developerhub[{product} Life Cycle].
+* To create a https://access.redhat.com/support/cases/#/case/new/get-support?caseCreate=true[support case] for {company-name} Global Support Services (GSS). For support case creation, select *{product}* as the product and select the appropriate product version.
+* For detailed information about supported platforms and life cycle details, see link:https://access.redhat.com/support/policy/updates/developerhub[{product} Life Cycle].
+