Fix typo

Change-Id: Ib22ae42b47491a5b5899e1c81d6a7337ce989140
diff --git a/metadata.yaml b/metadata.yaml
index 48aed05..a46bd8c 100644
--- a/metadata.yaml
+++ b/metadata.yaml
@@ -3,7 +3,7 @@
 maintainer: OpenStack Charmers <openstack-charmers@lists.ubuntu.com>
 description: |
  Cinder is the block storage service for the Openstack project.
- .
+
  This charm provides a StorPool backend for Cinder
 tags:
   - openstack