diff --git a/tempest/scenario/test_security_groups_basic_ops.py b/tempest/scenario/test_security_groups_basic_ops.py
index d3f45c7..adc9008 100644
--- a/tempest/scenario/test_security_groups_basic_ops.py
+++ b/tempest/scenario/test_security_groups_basic_ops.py
@@ -45,6 +45,12 @@
     success - ping returns
     failure - ping_timeout reached
 
+    multi-node:
+        Multi-Node mode is enabled when CONF.compute.min_compute_nodes > 1.
+        Tests connectivity between servers on different compute nodes.
+        When enabled, test will boot each new server to different
+        compute nodes.
+
     setup:
         for primary tenant:
             1. create a network&subnet