Add note on the Vmware to KVM instances guest OS (#377)

Quick note extending the docs added on PR: #342

source/adminguide/virtual_machines/importing_vmware_vms_into_kvm.rst

@@ -115,6 +115,8 @@ When importing a Virtual Machine from VMware to KVM, CloudStack performs the fol
 
 .. note:: As mentioned above, the migration/conversion process uses an external tool, virt-v2v, which supports most but not all the operating systems out there (this is true for both the host on which the virt-v2v tool is running as well as the guest OS of the instances being migrated by the tool). Thus, the success of the import process will, almost exclusively, depend on the success of the virt-v2v conversion. In other words, the success will vary based on factors such as the current OS version, installed packages, guest OS setup, file systems, and others. Success is not guaranteed. We strongly recommend testing the migration process before proceeding with production deployments.
 
+.. note:: The resulting imported VM uses the default Guest OS: CentOS 4.5 (32-bit). After importing the VM, please Edit the Instance to change the Guest OS Type accordingly.
+
 .. |import-vm-from-vmware-to-kvm.png| image:: /_static/images/import-vm-from-vmware-to-kvm.png
    :alt: Import VMware Virtual Machines into KVM.
    :width: 800 px