Documentation: nova-volume (n-vol) is long gone.

Long live cinder-volume (c-vol) !

Change-Id: I78257c0ef314e97e4abddf82b709fc496401cf14
diff --git a/doc/source/faq.rst b/doc/source/faq.rst
index 7aca8d0..cd48915 100644
--- a/doc/source/faq.rst
+++ b/doc/source/faq.rst
@@ -110,11 +110,11 @@
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Services can be turned off by adding ``disable_service xxx`` to
-``local.conf`` (using ``n-vol`` in this example):
+``local.conf`` (using ``c-vol`` in this example):
 
     ::
 
-        disable_service n-vol
+        disable_service c-vol
 
 Is enabling a service that defaults to off done with the reverse of the above?
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~