xl.pod.1: improve the description of pci-list-assignable-devices

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>

diff --git a/docs/man/xl.pod.1 b/docs/man/xl.pod.1
index a765a11617e702c7b03e848e501cf3f8e8f8547d..7620a2bcb0d064d2861fd938bad80ad87746fbf3 100644 (file)
--- a/docs/man/xl.pod.1
+++ b/docs/man/xl.pod.1
@@ -614,6 +614,9 @@ Prints the current uptime of the domains running.
 =item B<pci-list-assignable-devices>
 
 List all the assignable PCI devices.
+These are devices in the system which are configured to be
+available for passthrough and are bound to a suitable PCI
+backend driver in domain 0 rather than a real driver.
 
 =back