[PATCH 2/4] introduction: address lnovich comment

["Michael S. Tsirkin" <mst@redhat.com>]

Supporting bus attaching the device is ambigious:
what is supported?
What's meant is that bus should be supported, reword to
make this clear.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
 introduction.tex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/introduction.tex b/introduction.tex
index 5d57f78..ca89ab6 100644
--- a/introduction.tex
+++ b/introduction.tex
@@ -18,7 +18,8 @@ inter-guest communication) requires copying.
   lines.
 
   Standard: Virtio makes no assumptions about the environment in which
-  it operates, beyond supporting the bus attaching the device.  Virtio
+  it operates, beyond supporting the bus to which the device is
+  attached.  Virtio
   devices are implemented over PCI and other buses, and earlier drafts
   been implemented on other buses not included in this spec.
 \footnote{The Linux implementation further separates the PCI virtio code
-- 
MST