diff --git a/saharaclient/osc/plugin.py b/saharaclient/osc/plugin.py
index 0cef0520..c5b70242 100644
--- a/saharaclient/osc/plugin.py
+++ b/saharaclient/osc/plugin.py
@@ -13,6 +13,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+"""OpenStackClient plugin for Data Processing service."""
+
 from osc_lib import utils
 from oslo_log import log as logging