doc: clarify openstack cow sentence

Missing subject, and now applies to disks in general.

Signed-off-by: Josh Durgin <josh.durgin@inktank.com>

diff --git a/doc/rbd/rbd-openstack.rst b/doc/rbd/rbd-openstack.rst
index 92b67ea1a1efbb59a3fc0129cdd53721110a34a2..c6a6396d2e3fbc4ee46aaedfd229f90c7aad6488 100644 (file)
--- a/doc/rbd/rbd-openstack.rst
+++ b/doc/rbd/rbd-openstack.rst
@@ -182,8 +182,7 @@ default, edit ``/etc/glance/glance-api.conf`` and add::
     rbd_store_user=glance
     rbd_store_pool=images
 
-If want to enable copy-on-write cloning of images into
-volumes, also add::
+If you want to enable copy-on-write cloning of images, also add::
 
     show_image_direct_url=True