diff --git a/heatclient/osc/plugin.py b/heatclient/osc/plugin.py
index ea1b69e4..8bc3f15f 100644
--- a/heatclient/osc/plugin.py
+++ b/heatclient/osc/plugin.py
@@ -11,6 +11,8 @@
 #   under the License.
 #
 
+"""OpenStackClient plugin for Orchestration service."""
+
 import logging
 
 from osc_lib import utils