Replace SSL with TLS.

Author: TimShererWithAquent

articles/virtual-machines/workloads/redhat/redhat-rhui.md

@@ -166,7 +166,7 @@ If you're using a network configuration to further restrict access from RHEL PAY
 
 ### Update expired RHUI client certificate on a VM
 
-If you are using an older RHEL VM image, for example, RHEL 7.4 (image URN: `RedHat:RHEL:7.4:7.4.2018010506`), you will experience connectivity issues to RHUI due to a now-expired SSL client certificate. The error you see may look like _"SSL peer rejected your certificate as expired"_ or _"Error: Cannot retrieve repository metadata (repomd.xml) for repository: ... Please verify its path and try again"_. To overcome this problem, please update the RHUI client package on the VM using the following command:
+If you are using an older RHEL VM image, for example, RHEL 7.4 (image URN: `RedHat:RHEL:7.4:7.4.2018010506`), you will experience connectivity issues to RHUI due to a now-expired TLS/SSL client certificate. The error you see may look like _"SSL peer rejected your certificate as expired"_ or _"Error: Cannot retrieve repository metadata (repomd.xml) for repository: ... Please verify its path and try again"_. To overcome this problem, please update the RHUI client package on the VM using the following command:
 
 ```bash
 sudo yum update -y --disablerepo='*' --enablerepo='*microsoft*'