[PATCH] split-ring: Fix typo in used ring description

[Christoffer Dall <christoffer.dall@arm.com>]

Only the device updates the used ring.

This looks like a typo as a result of copy-paste from the description of
the Available Ring.

Fixes: https://github.com/oasis-tcs/virtio-spec/issues/12
Signed-off-by: Christoffer Dall <christoffer.dall@arm.com>
---
 split-ring.tex | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/split-ring.tex b/split-ring.tex
index df278fe..2267863 100644
--- a/split-ring.tex
+++ b/split-ring.tex
@@ -417,7 +417,7 @@ overwritten the bytes which were in that buffer, this could leak the
 contents of freed memory from other processes to the application.
 \end{note}
 
-\field{idx} field indicates where the driver would put the next descriptor
+\field{idx} field indicates where the device would put the next descriptor
 entry in the ring (modulo the queue size). This starts at 0, and increases.
 
 \begin{note}
-- 
2.15.1 (Apple Git-101)