[PATCH 3/4] introduction: address lnovich comment

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

specification is clearer than spec.
Let's not abbreviate where not necessary.

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

diff --git a/introduction.tex b/introduction.tex
index ca89ab6..4db5456 100644
--- a/introduction.tex
+++ b/introduction.tex
@@ -21,7 +21,7 @@ inter-guest communication) requires copying.
   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.
+  been implemented on other buses not included in this specification.
 \footnote{The Linux implementation further separates the PCI virtio code
 from the specific virtio drivers: these drivers are shared with
 the non-PCI implementations (currently lguest and S/390).
-- 
MST