diff --git a/barbicanclient/osc_plugin.py b/barbicanclient/osc_plugin.py
index 0bf390b1..1d0e0e54 100644
--- a/barbicanclient/osc_plugin.py
+++ b/barbicanclient/osc_plugin.py
@@ -10,6 +10,8 @@
 #   License for the specific language governing permissions and limitations
 #   under the License.
 
+"""OpenStackClient plugin for Key Manager service."""
+
 from barbicanclient import client