diff --git a/congressclient/osc/osc_plugin.py b/congressclient/osc/osc_plugin.py
index 1e79aaa..0893efa 100644
--- a/congressclient/osc/osc_plugin.py
+++ b/congressclient/osc/osc_plugin.py
@@ -12,6 +12,8 @@
 #   License for the specific language governing permissions and limitations
 #   under the License.
 
+"""OpenStackClient plugin for Governance service."""
+
 import logging
 
 from congressclient.common import utils