bugfix: vendor titles accuracy

Author: sean-freeman

_topic_maps/_topic_map.yml

@@ -456,13 +456,13 @@ Topics:
     File: ipi-install-post-installation-configuration
   - Name: Expanding the cluster
     File: ipi-install-expanding-the-cluster
-- Name: Installing IBM Cloud Bare Metal (Classic)
+- Name: Installing on IBM Cloud (Classic)
   Dir: installing_ibm_cloud_classic
   Distros: openshift-origin,openshift-enterprise
   Topics:
-  - Name: Prerequisites
+  - Name: Prerequisites for IBM Cloud (Classic)
     File: install-ibm-cloud-prerequisites
-  - Name: Installation workflow
+  - Name: Installation workflow for IBM Cloud Bare Metal (Classic)
     File: install-ibm-cloud-installation-workflow
 - Name: Installing on IBM Z and IBM LinuxONE
   Dir: installing_ibm_z
@@ -560,7 +560,7 @@ Topics:
     File: installing-oci-assisted-installer
   - Name: Installing a cluster on Oracle Cloud Infrastructure by using the Agent-based Installer
     File: installing-oci-agent-based-installer
-- Name: Installing on vSphere
+- Name: Installing on VMware vSphere
   Dir: installing_vsphere
   Distros: openshift-origin,openshift-enterprise
   Topics: