doc: Fixes a missing dot

Fixes: #12072
Signed-off-by: Robin Tang <robintang974@gmail.com>

diff --git a/doc/rbd/rbd-openstack.rst b/doc/rbd/rbd-openstack.rst
index ca53856435e018a5dd5c769826b4a5213c086fa5..3fe52ad72f51d7f1528883650ca6453116239941 100644 (file)
--- a/doc/rbd/rbd-openstack.rst
+++ b/doc/rbd/rbd-openstack.rst
@@ -430,7 +430,7 @@ dashboard, you can boot from that volume by performing the following steps:
 
 #. Launch a new instance.
 #. Choose the image associated to the copy-on-write clone.
-#. Select 'boot from volume'
+#. Select 'boot from volume'.
 #. Select the volume you created.
 
 .. _qemu-img: ../qemu-rbd/#running-qemu-with-rbd