doc: Removed extraneous comment from snapshot text.

Signed-off-by: John Wilkins <john.wilkins@inktank.com>

diff --git a/doc/rbd/rbd-snapshot.rst b/doc/rbd/rbd-snapshot.rst
index dc0fffbf2d9860407ab4294548cd5c958b04a47e..9fb5f8010820c97df96ee5f57dedb25458d527b4 100644 (file)
--- a/doc/rbd/rbd-snapshot.rst
+++ b/doc/rbd/rbd-snapshot.rst
@@ -93,11 +93,6 @@ For example::
        rbd snap rollback rbd/foo@snapname
 
 
-
-For the rollback section, you could mention that rollback means
-overwriting the current version with data from a snapshot, and takes
-longer with larger images. So cloning is preferable for fast recovery.
-
 .. note:: Rolling back an image to a snapshot means overwriting 
    the current version of the image with data from a snapshot. The 
    time it takes to execute a rollback increases with the size of the