kernel support clarification

Author: sabrinajess

virt/virtual_machines/advanced_vm_management/virt-configuring-a-watchdog.adoc

@@ -1,6 +1,7 @@
 [id="virt-configuring-a-watchdog"]
 = Configuring a watchdog
 include::modules/virt-document-attributes.adoc[]
+include::modules/common-attributes.adoc[]
 :context: virt-configuring-a-watchdog
 
 toc::[]
@@ -10,7 +11,7 @@ Expose a watchdog by configuring the virtual machine (VM) for a watchdog device,
 [id="{context}_prerequisites"]
 == Prerequisites
 
-* Kernel support for an `i6300esb` watchdog device.
+* The virtual machine must have kernel support for an `i6300esb` watchdog device. {op-system-base-full} images support `i6300esb`.
 
 include::modules/virt-defining-a-watchdog.adoc[leveloffset=+1]
 include::modules/virt-installing-a-watchdog.adoc[leveloffset=+1]