Use the proper rST syntax for an external link.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
---
 docs/kbase/merging_disk_image_chains.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/kbase/merging_disk_image_chains.rst b/docs/kbase/merging_disk_image_chains.rst
index 2ff8b7cd76..9bff8da1af 100644
--- a/docs/kbase/merging_disk_image_chains.rst
+++ b/docs/kbase/merging_disk_image_chains.rst
@@ -20,7 +20,7 @@ accomplish this *without* incurring guest down time.  Here's how to go
 about it.

 The same principles used in the `live full disk backup
-<https://libvirt.org/kbase/live_full_disk_backup.html>` document are
+<https://libvirt.org/kbase/live_full_disk_backup.html>`_ document are
 used here too.

 Reducing the disk image chain length
-- 
2.46.0