Fix OpenShift Container Platform product title in ROSA Welcome link

Author: bmcelvee

welcome/index.adoc

@@ -18,7 +18,7 @@ endif::[]
 ifdef::openshift-rosa[]
 To navigate the ROSA documentation, use the left navigation bar.
 
-For documentation that is not ROSA-specific, see the link:https://docs.openshift.com/container-platform/latest/welcome/index.html[{product-title} documentation].
+For documentation that is not ROSA-specific, see the link:https://docs.openshift.com/container-platform/latest/welcome/index.html[OpenShift Container Platform documentation].
 endif::[]
 
 ifndef::openshift-rosa[]